Archive of Our Own

“Hey! Icyhot! Damnit, stop walking… fucking long ass legs…” The last part is muttered angrily like it was Shouto’s fault that he’d outgrown Katsuki.

Shouto smiles to himself and quickens his pace. He’d never been one to just give in to every bratty demand the little omega shouted. If anything, Shouto had a proclivity for making Katsuki’s life just a little bit harder if only to watch how worked up he got. It was a dangerous game and certainly not one someone as flammable as Shouto should play. But, at his worst, Katsuki was a Chihuahua. A Chihuahua with enough firepower to decimate a city, but a Chihuahua nonetheless. Plus, Shouto didn’t mind the gamble he took; Katsuki was just too fun to mess with.

“Don’t you hear me, you bastard! Don’t give me that lame-ass excuse that you froze your eardrums either! Izuku said that’s not possible!” The blonde pushes himself to a light jog and Shouto gives himself about five seconds before Katsuki physically stops him.

He sighs and turns on his heel, causing Katsuki to come to a screeching halt. “Ah, sorry, I suppose that the frequency at which you were yapping wasn’t registering. Do you mind lowering the decibels a bit? I don’t speak puppy.” Shouto knows he’s asking for it but the cherry blush that marks Katsuki’s cheeks moments after is too good to pass up.

Katsuki’s hands start to spark and just as Shouto thinks he’s about to be blown away with a howitzer, a looming presence sidles up behind him. He knows who it is without even having to turn around. The honey ochre is unmistakable.

“Izuku, control your puppy, he’s chasing after me like I have the mail. Unfortunately, all the letters have been delivered and I don’t have a treat for him this time.” Katsuki’s face grows impossibly redder, Shouto unable to stop the amused smirk that lifts up the corner of his lips.

A scarred hand tangles itself into the soft fabric of his borrowed hero t-shirt. For a brief moment, Shouto thinks he’s gone too far but then a nose drops into the crown of his head and long green curls mix in with the bangs falling over his forehead. The scent of unfiltered Izuku wafts across his skin and caresses his nose like a long-lost lover. It’s intoxicating. Shouto can’t help but breathe in deeply, all desire to continue his antics dropping from his mind.

“Sho, you should be nicer to Kacchan,” Izuku teasingly admonishes.

The hand previously knotted in his t-shirt drops down to his waist and balls up there until Shouto is sure the white and red dusting of hair on his lower abdomen is on display. By the way Katsuki’s gaze drops down immediately, Shouto knows he’s right. He can’t explain the prolonged touches they’d both been giving recently, nor the extended gazes, but he won’t question it. He melts into Izuku’s touch, allowing Katsuki to approach and nuzzle into his neck, forgetting they’re at work. At their hero agency. Which they run. He shrugs it off.

“Yeah, be nicer to me, you bitch. I have a gift for you,” Katsuki practically purrs into Shouto’s neck. It should be odd. But it isn’t. It’s comforting and where Izuku’s scent is pure wilderness, Katsuki’s is concentrated hot chocolate with nutmeg. Together it’s like he’s surrounded by a campfire. He can’t help but relax fully, bones liquid under their presence.

He smiles languidly. “Ah, is that what you were yapping about, Katsuki? Show me since it was so important.”

Izuku chuckles into the divide of Shouto’s hair and pinches his side. “Be nice, that yapping will turn into biting if you’re not careful.” Izuku’s voice is gruff, of the sort that sends a vibration through Shouto’s chest. At that moment, Shouto can’t tell if he means a bite from him or Katsuki. Heat trails up the beta’s spine at the unknown implication.

He clears his throat before extricating himself from their warmth to face them. They both look a bit crestfallen as they always do when Shouto ceases contact. It’s another thing he can’t explain. He ignores that too, not really wanting to have his head spin in circles trying to come up with some explanation for it that will ultimately make no sense to him.

“How about that gift?”

The question hangs in the air for a moment and Shouto wonders if he messed up. They’re standing shoulder to shoulder with nearly identical disappointed postures. As he waits for something, Shouto notes that Katsuki is wearing a t-shirt that he stole from his laundry and Izuku a hair tie that he knows for a fact came from his vanity drawer. He opens his mouth to break the odd tension, maybe ask about the items but Katsuki beats him to it.

The omega takes a step forward, nearly as close as before, and Shouto is forced to look into melted pools of determination. “You have to come to our place to get it. I didn’t bring it with me, but I didn’t think you’d mind.”

“Yeah, Kacchan has been planning it for a while now. We both have, really.” Izuku shifts from foot to foot. “We’d like it if you’d come over, Sho.” Shouto isn’t stupid enough to miss the formality of the offer. They hung out all the time, but they rarely invited him. He just ended up there. Confusion must be evident on his face because Katsuki nudges him softer than normal.

“Don’t overthink it. But it doesn’t have to be today. In fact, I’m not fuckin’ sure it’s ready today. You wanna get dinner tonight? Maybe watch a movie at yours?” Katsuki’s hand that landed on his shoulder drops down to lightly clutch his wrist and the soft skin of his thumb rubs at the indents from the cuffs of his hero suit.

Shouto feels like he’s missed something. There’s something they both know that he doesn’t, but he isn’t sure exactly what it is or even how to ask them to explain. He looks at Izuku who has a soft smile on his sun-cracked lips; his green eyes are encouraging and open like they always are.

Pack. His heart thunders with the feeling. He comes to the realization that maybe he’s not missing anything at all; this is how pack acts: the touching, the gifts (of which he has received several), and all the dinners and food they provide for him nearly every second of the day. That has to be pack. He’d never really experienced it, but that explanation makes the most sense to him. It’s the first explanation he’s been able to come up with that hasn’t sent his brain into a spiral of nonsensical theories at least. The idea of it makes him happy, though. He’s honored that two of the best people he knows would want to include him like that—would want to be his family.

He smiles, nodding his head in approval. “Sure, you both are always welcome. We’re pack, right?”

Shouto doesn’t miss how both of them swell up, mirrored ecstatic grins lighting up their cheeks. Katsuki wastes no time tugging Shouto into a hug, his nose immediately nuzzling into the scent glands on his neck. Izuku follows soon after, his large frame engulfing them both. Shouto is remiss that he can only smell their base scents and nothing else because he’s almost certain that the room is now swirling with the most beautiful happy scent. He knows it will linger there. A fleeting thought of deodorizing the room so no one else will have the pleasure of smelling what he can’t flicks across his mind before he feels dampness pooling on his head.

Izuku is sniffling into Shouto’s hair and Katsuki mumbles complaints against Shouto’s neck. Shouto laughs, nuzzling back against Izuku. “Why are you crying, Izuku? I thought it was obvious.”

Katsuki snorts, “He’s a damn crybaby, that’s all you need to know.”

Izuku pinches Katsuki’s side this time, causing the omega to yelp. “I’m not a crybaby, Kacchan. It’s not my fault, okay? It’s just great that Sho feels that way. I know you’re gonna cry to yourself later, don’t lie.”

Katsuki sucks his teeth and the small man pushes against Izuku until they’re all standing inches from each other but not touching. “Are we gonna go? I’m hungry. I didn’t pack a fucking bento today.” Katsuki rubs his stomach for emphasis.

“Katsuki, why didn’t you tell me? We were on the same lunch break today and you gave me a bento this morning? I would have shared it with you.” Shouto fixes him with a concerned stare, the blond’s cheeks once again dusting a pretty rose.

“Didn’t make those for me. I wouldn’t have accepted it anyway. I just got too fucking lost in trying to make the shapes that I could only make two in time,” he mumbles in the way that always makes Shouto’s heart do weird little flips. But before that is a wave of concern that grips his stomach and has him reaching for Katsuki.

“You need to eat too, Katsuki. Izuku and I would have split with you. They had enough for all three. Don’t do that, alright?” He doesn’t register that he’s being oddly intense until he’s already said it but then it’s too late. Shouto’s bi-colored eyes flick at Izuku. He doesn’t want to overstep—doesn’t want to mistakenly think he’s allowed to offer care for his best friend’s mate. But instead of the contempt that probably should probably be on Izuku’s face, Shouto only finds approval and mirth.

Before Shouto has time to give the look a second thought, Katsuki is rubbing his fingers against Shouto’s wrist glands. “Alright, alright. But that doesn’t stop the hunger I’m feeling now. So let’s fucking go, losers.”

–

A little while later and their bellies are full of some noodle dish that Shouto can’t pronounce and Katsuki swore he would like. He’s right, because of course he is. Katsuki has a way of understanding Shouto’s exact tastes without the beta even having to say them aloud. Izuku, for his part, just hummed happily and filled Shouto’s water glass every time he even drank a sip from it. Izuku then insisted on the dessert, which he ended up not eating. Shouto denied several bites of the chocolate cake Izuku offered but ultimately lost the battle. It was delicious and the look of satisfaction on the alpha’s face every time Shouto allowed him to feed him lit a warm feeling in Shouto’s belly.

The walk back to Shouto’s apartment when dinner is over is bumping shoulders and Izuku excitedly pointing at stars while Katsuki yells that they were obviously airplanes or satellites. It was nice. Warm. But, when they arrive at Shouto’s apartment the feeling in the air became different. What was warm seconds before shifts to stifling anticipation. Excitement for something zings between their barely touching bodies in the hallway making Shouto drop his keys. Izuku’s fingers brush his seconds later as he presses the key into Shouto’s palm. The brief touch sets Shouto’s body on fire.

He shakes his head, putting the key in the lock before he can begin to overthink his body’s reactions. There’s no use in even entertaining the heat that pools in his gut. No use in the fantasies that play in his mind when Katsuki accidentally stops short in front of him and presses his ass against Shouto’s crotch. So he tries to pay them no mind, he’s seeing and feeling things that he shouldn’t. Things that only exist for him. They’re his pack for christ’s sake.

He sinks into the couch without a word, watching as they settle around him easily. “What do you both feel like watching? I don’t have many streaming services but I’m sure we can figure something out.”

Izuku situates himself on the recliner near the couch and rubs his belly. “I don’t think I’m gonna make it! Kacchan chose such delicious food and I ate way too much of it. You guys can pick something, I’ll probably pass out soon!”

“He doesn’t even have any damn pups and he’s already such a fucking dad. Can you imagine when we actually have a couple of little shits running around this place?” Katsuki scoffs as Izuku rolls his eyes and flips him off.

Shouto lifts an eyebrow at the omega. “Please, if Izuku is playing the perfect dad role then you’re playing the mom role just as well. Who feeds me every day and makes sure I’m drinking water?”

Katsuki huffs. “That’s different, you bitch. You’re just too stupid to take care of yourself on your own.” The blond flicks his eyes away. “Besides, I’m not trying to mother you.” The last part is muttered so low that Shouto almost doesn’t catch it.

Shouto is content to leave their weird behavior out of his mind for the moment and just tries to enjoy the comfortable warmth that being around them provides. So, he peruses the channels until he finds something innocuous, something to calm the odd air in the room and the tingling anxiety lingering on his skin.

It doesn’t take long for Izuku to pass out, they’re barely past the opening credits. Soon after his snores create an ever-present white noise in the room, Shouto somehow finds himself with a lap full of Katsuki. It’s not abnormal so the beta allows it to happen until Katsuki’s small fingers start drawing patterns up and down Shouto’s thigh. His finger twists and turns, loops in maddening circles. Shouto can do nothing but hold his breath as Katsuki reaches his upper thigh, his skin growing sensitive to every trace of the small finger.

His hand moves on its own, clutching Katsuki’s shirt like it’s the one thing keeping him from completely snapping. The omega leans into the touch, his hips moving ever so slightly so that Shouto’s knuckles rub fully against Katsuki’s waist and Katsuki’s ass rubs fully against Shouto’s lap. It’s insanity in the worst way, causing his mind to spin with a million questions. Yet, on top of it all, the only one he really wants to ask is something forbidden—something he knows would be crossing the line.

The electricity from earlier zings through his body and when Katsuki rolls his hips ever so slightly again, Shouto releases the breath he’d been holding. He allows his body to go liquid against the couch, against Katsuki whose hips begin replicating the maddening circles of his finger. It’s a couple of moments before the beta realizes his cock is half hard and straining against the zipper of his chinos.

He wants to dip his nose along Katsuki’s neck. He wants to taste that deliciously warm aroma that Shouto can’t get out of his head, that leaves traces on his couches and his work clothes. The scent that mixes with Izuku’s and leaves him dizzy and wanting all the things he denies himself every hour of every single day. He wants and that’s always been the problem.

Shouto is on his feet in seconds, a disgruntled Katsuki growling at him from his new position on the floor. “I-I. Um. Katsuki, I think it’s best if you and Izuku leave. It seems like you…” the beta motions with his hands sporadically, “you need Izuku.”

He turns on his heel and disappears into his room without so much as a word or look back at Katsuki or Izuku again. The moment he closes the door, the feelings he’d been holding back rush his chest like a tidal wave. It’s all he can do to collapse into his bed with his mind racing. He knows it wasn’t bad. Realistically, he knows that he can chalk it up to their—Katsuki’s—secondary genders. But, it’s more than that. It isn’t as simple as Katsuki being an omega, or Katsuki having needs that need to be fulfilled. That’s excusable. But Shouto wants to fulfill them. He wants to take Katsuki for everything he is.

The beta yells into his pillow, the tears on his face soaking the fabric. Shouto doesn’t just want Katsuki, he wants Izuku too. He wants to be the in-between in their romance, the buffer between two extremes like he always has been. Only, he wants Izuku to take him for everything he is. It wasn’t long into their friendship that Shouto started to notice just how attractive Izuku was. Maybe it was the way he’d tie up his shoulder-length curls into the sloppiest bun but still look gorgeous. Or the way he’d squat three hundred pounds like it was easy and his thighs would bulge in the lewdest way. He wasn’t sure what changed, maybe nothing did and maybe it was Shouto.

Realizing that he was attracted to them both came with the realization that he’d never have a chance because they were meant for only each other. He settled for friendship long ago and now, he’s settling for a pack because being with them was better than not being with them. He could stomach everything else. But what he wouldn’t stomach is his desire trying to ruin that for them; his desire that would overshadow his reason and cause Shouto to actually enjoy Katsuki's advances that weren’t actually advances at all. He wouldn’t—couldn’t—ruin their pack by giving in to his urges.

Shouto turns over in his bed, bi-colored eyes tracing the streaks of paint on the ceiling. He could move forward, forget the evening ever happened, but the guilt from enjoying Izuku’s mate right under his sleeping nose has Shouto’s stomach doing nausea-inducing somersaults. He groans loudly. He knows his best option would be to lay low for a while and let the sting of the embarrassment and guilt wash out of him. Maybe he could try. Maybe he’d even be successful.

As his eyes close that evening, he makes a vow that he will not engage with Izuku or Katsuki until he can be in the same room as them and not need them in inappropriate ways.

–

He lasts all of two days. It wasn’t his fault—or, okay, it was his fault. He’d spent the previous forty-eight hours practicing constant vigilance. He knew their schedules down to the second but he never accounted for either of them changing their schedules. Izuku found him ducked behind a large fern just outside their office while Shouto was doing recon waiting for them to leave for their morning patrol. He never expected Izuku to have been held up on the train and to effectively run late.

The alpha pokes a finger into the divide of white and red on his head and Shouto just about jumps out of his skin. “What are you doing, Sho? Is there some sort of intern scare week or something? I gotta say, you’ve been a pretty good ghost these past few days!”

Izuku is a good sport, Shouto knows that. Shouto also knows that Izuku will see right through him immediately. He stands up and separates their bodies about a foot before he even dares to respond.

“Oh. Izuku. Hello. No, I was just…w-watering the flowers!” His voice is uncharacteristically high-pitched, each word shaking with nerves.

Izuku raises an eyebrow and darts his eyes to the ground around Shouto. “These aren’t flowers, Sho. Also, you have no water. Were you using your spit?” Quick. Izuku is too quick and clever for Shouto who never lies. He can’t think of a reply or a lie to explain his behavior.

Maybe Izuku smells the distress rolling off of him in waves. Maybe it's evident enough on Shouto’s face because all of a sudden he’s crushed in Izuku’s arms with his feet dangling off the ground. He doesn’t react, doesn’t melt into the hug, doesn’t do anything, just lets himself be squeezed by thick arms and hard pecs.

Izuku scents the top of his head, his thick curls sliding down to cover Shouto’s face and tickle his lips. “Sho, I’m so sorry if we did something wrong. We didn’t want to make you uncomfortable! We just get so excited to have you around and we…I don’t know. We love you so much!”

Shouto is taken aback. They made him uncomfortable? “You didn’t make me uncomfortable, Izuku. What are you talking about?”

Izuku tilts his head back, scenting ceasing. “What? I couldn’t hear you.”

Shouto rolls his eyes, and pulls out of Izuku’s embrace, “Maybe if you didn’t have me smashed against your chest like a pup, you would have.” He clears his throat nervously before meeting Izuku’s viridian gaze. “I said, you didn’t make me uncomfortable, Izuku. You or Katsuki.”

Confusion paints Izuku’s face in one fell swoop and Shouto knows he’ll have to explain his behavior. Knows he’ll have to come clean because he can’t lie, has never been able to, and especially can’t when Izuku is involved. He drops his chin, not wanting to see the look of pity that will surely mar Izuku’s features.

“I just—”

“You had the right idea, I think, Sho.” Shouto’s eyes pierce Izuku who is now regarding him in understanding. The alpha reaches over and tucks a billowing white lock behind Shouto’s ear, “Don’t doubt what you feel, okay? Come to our place tonight. I think it’s time we gave you that gift. Seven o’clock. Don’t be late.”

Izuku lets a thumb linger on Shouto’s cheek before he turns on his heel and disappears into the office building. Shouto is left with a cacophony of thoughts shaking the walls of his brain. Surely he misunderstood, or, at least, Izuku misunderstood. He’s certain that’s the case. Because if Izuku understood, there’s absolutely no way he’d have regarded him in such a friendly way and still want to give him a gift.

Shouto’s head thunders with the beginnings of a headache. Izuku didn’t merely suggest that he come to their house tonight. It wasn’t a question, it was a definite. Don’t be late. Shouto wants to tug at the roots of his hair in frustration. He wants to scream because no matter what Izuku or Katsuki think, Shouto knows that their friendship, their pack relationship, will be ruined forever after tonight.

He kicks himself internally, this is what he gets for wanting too much. The silver spoon he’d spat out over and over again apparently meandered its way back into his mouth to make him chase the taste of things he could never have; another thing to blame his father for.

Shouto slinks to the ground, tears threatening to spill over. Whatever happens that night, he’ll only have himself to blame.

–

Later, Shouto is practically sweating through his shirt. He hadn’t known what to wear but figured a brand new limited edition All Might t-shirt might take the edge off of whatever was about to happen. Maybe, just maybe, they’d be so distracted by it that they’d forget that Shouto was there for something potentially serious altogether. Or, maybe, Shouto took too many left turns down Wishful Thinking Lane and had a one-way ticket to Disaster Land. He could hope for the former but he knew it was probably the latter.

He groans in frustration as he picks at the corner of his phone case. They’d both reacted with a tiny emoji thumbs up when he said he was waiting outside their door. Nothing else. It was enough to have Shouto wanting to turn on his heel and never return and he thinks he just might before the door opens and Izuku’s huge frame comes into view.

“Hey, Sho, I’m glad you showed up. Come in.” Again, not a question.

Shouto hesitantly walks inside, trying to will his eyes to not linger on the way Izuku is smiling at him or the way his shirt pulls across his chest in a particularly sinful fashion. What he can’t ignore, though, is the immediately overpowering scent of Izuku and Katsuki together. He’s been to their place before, but it’s never quite been so in his face. It smells like they rubbed every inch of their bodies on every surface. And knowing them and their appetites, they probably did.

Shouto clears his throat, eyes registering that Katsuki is nowhere to be found. “Where’s the puppy at?”

Izuku laughs at Shouto’s poor attempt at deflection. “He was just finishing up something in the other room. Why don’t you sit down?” Izuku settles in on the L-shaped portion of the couch and pats the cushion next to him with a smile. Shouto nods and sits so there’s a cushion separating both of them. Nerves begin to eat at him as Izuku fully turns to look at him.

“Just relax. I can’t understand why you’re so nervous. It’s just us.” Like that’s helpful. Like them being them isn’t the whole problem. Shouto paints a weak smile on his lips and nods again, earning him an eye roll from Izuku.

The alpha reaches over to the coffee table to find the remote and turns on some random show that he appears to get instantly invested in. Shouto just watches Izuku watch the screen as anxiety buzzes in his chest. If Izuku feels his eyes on him, he doesn’t say anything. But, Shouto would hazard a guess that he’s ignoring it on purpose.

When they’ve been sitting in silence for what feels like an uncomfortable amount of time, Shouto’s nose is assaulted by the most delicious scent that he’s ever smelled. Katsuki. Nutmeg and warm chocolate drifts through the room and he fights the urge to turn his head to find the source.

“Oh, so you shits just started without me, huh? What’s with this stupid-ass space here? Does Izuku smell or something, Sho?”

Katsuki appears from around the couch, a hand set firmly on his hip as he motions between the two of them. He’s dressed similarly to Izuku, a tight t-shirt clinging to his body but where Izuku wears joggers, Katsuki is in the tiniest shorts Shouto has ever seen. When Shouto’s eyes initially catch sight of them, a cold sweat breaks out down his back.

Shouto fantasizes about bodies covered in potato sacks. When did baggy clothing go out of fashion anyway? Why was he damned to be in the one place with two people who apparently lacked a modicum of modesty? It was downright outrageous. Sinful. And sure to be the subject of every one of Shouto’s thoughts for weeks to come.

Snapping sounds in Shouto’s eardrums and the frost over his eyes clears, pupils dialing in on two fingers in his face. “Earth to Icyhot, did that last brain cell finally die?”

Izuku snorts, “It’s been dead all night. He hasn’t even said one word besides to ask where you were, baby.”

Katsuki squints and gets in Shouto’s face, his scent practically palpable on his tongue. “Stop acting weird. You even dressed up for us, didn’t you, icy nerd?” Katsuki runs a finger down Shouto’s torso, tracing over the metallic paint of All Might’s hair. Shouto gulps and he thinks he sees Izuku smirk and return his attention to the TV.

Shouto knows when he’s being messed with. His urge to never give Katsuki the satisfaction of a reaction overrides his nerves for just a moment. “This was the only thing clean, but I also figured I’d flaunt father’s money a little. Neither of you has this one, right?” Cocky. Good. He’s seen both of them use that as a tactic before. Surely, it will be successful.

He’s wrong. So wrong. Katsuki falls onto the cushion beside him, fingers picking at the edge of the fabric. “Yeah, I have no doubt that this will fucking be left here tonight. Then it’ll be ours.”

Every neuron in Shouto’s brain fires at once until his mouth drops open and he’s sat there looking like a poor imitation of a dead fish. Katsuki reaches up and nudges his jaw so his mouth snaps shut. His brain is so shot he doesn’t even have the ability to entertain the implications of what Katsuki just said.

Then they sit there like they had just days ago. Katsuki plastered to his side, Izuku silently dozing just a foot away. It’s eerie. If Shouto was more stupid than he was, he’d think it was on purpose. But that was unlikely if not entirely impossible.

Only, as soon as Shouto considers the impossibility of that occurrence, his face gets buried in long blond spikes. It smells warm, purely Katsuki. The omega settles in his lap comfortably. And just like two days ago, his finger draws a light pattern up Shouto’s thigh. Except, unlike two days ago, Shouto catches his wrist in his slightly larger hand.

He feels Katsuki tense in his lap but the omega appears otherwise unbothered. His other hand picks up where the other one left off, leaving Shouto’s thigh lighting up with every touch. Shouto lets him for all of ten seconds before Katsuki’s other wrist meets the same fate. Then they just sit there, Katsuki’s wrists pinned and Shouto breathing heavily against the omega’s back.

Katsuki won’t accept the restriction, Shouto knows that. But he doesn’t expect Katsuki to lean forward until the hold on his hands is the only thing keeping him from toppling off the couch. The movement effectively means that the tiny shorts are now further up Katsuki’s back which in turn means Katsuki’s nearly bare asscheeks are pressing into Shouto’s jeans.

Shouto gulps, face a mess as he contemplates dropping Katsuki. But no, this isn’t normal, he needs answers. He quickly looks at Izuku’s sleeping form and then back to Katsuki. “What are you doing?” His voice is barely above a whisper and more serious than it's been in a while.

Katsuki has the absolute nerve to chuckle. “What’s it look like I’m doing?”

“I-I don’t know, but this doesn’t seem like pack bonding, Katsuki.”

The omega rolls his hips once while a loud laugh shakes his shoulders. “Oh, it’s pack bonding alright. You think I’d do this with just anyone?” His hips roll again and Shouto seriously considers that he might die and go to hell right then.

His hands begin to slip off Katsuki’s wrists as the omega starts a slow grind against his lap. Katsuki grips Shouto’s hands in return and then slips his feet around until they’re trapped under Shouto’s legs.

“Come on, Katsuki, s-stop. This isn’t right. Look, if you need Izuku, please, just wake him up. I c-can’t do this.”

Katsuki slides back until his back is pressed against Shouto’s chest. “Izuku knows, idiot. You’re the only one that hasn’t caught on yet.”

Shouto reels and he grabs Katsuki’s gyrating hips, fingers balling in the fabric of the shorts. “What the hell do you mean? Do you think this is a game, Katsuki? You can’t fucking play with me like this.” His voice is icy, venom dripping on every word, and Katsuki tenses against him.

“Shouto, language.” Shouto’s eyes immediately snap to where Izuku lay sleeping just moments ago, tears threatening to spill at the edges as he realizes they’ve just been caught. “I do know about it, don’t—”

Izuku scoots over to wipe at the edges of Shouto’s eyes, the beta clutching Katsuki tighter like he’s a teddy bear. “Baby, goodness, we haven’t been very kind to you have we? We didn’t want to scare you off. I promise it’s okay.”

Shouto’s voice is small when he replies. “What do you mean?”

Then Katsuki turns in his arms so he can nuzzle his face into Shouto’s neck. “We’ve been courting you, idiot.”

Shouto pulls back. “What?”

Izuku looks at him with a sheepish smile and scratches the back of his head. “We’ve kinda been courting you for months, Sho. You’re remarkably oblivious.”

A feeling like ice water washes over his entire body. Shouto squints at them both. “How was I supposed to know? Did you idiots not pay attention in Courting 101? You know you’re supposed to tell someone when you’re courting them! Did you expect me to just understand? Especially when I thought that you two just wanted to form a pack with me! Then what? Katsuki advances on me sexually and I’m supposed to just know that it’s okay?” Shouto’s chest is pounding with his breath by the time he’s finished ranting. Both men seem to have grown smaller with every frustrated word.

Shouto has half a mind to leave but torturing them feels like a good form of vengeance after they’d done nothing but be confusing and frustrating for months. So, he raises an eyebrow and lets his cold eyes pierce their wide ones. “Well?”

After a long, uncomfortable silence, Katsuki is the first to speak, his voice uncharacteristically soft. “Well, we didn’t wanna ruin things or some shit. I don’t know. We were hoping you’d just ask about it so we’d know you were interested. But, I got tired of waiting and that’s the only reason I’ve been doing this. I—we just want you, Sho.” The omega’s voice is so open and honest that Shouto has a hard time holding onto his frustration. Izuku’s earnest nod after Katsuki’s words sends Shouto spiraling into his own head.

A moment of pure doubt darkens the soaring feeling in his chest. In what world would everything he ever wanted actually come true? They have no reason to lie though—they aren’t cruel people and this wouldn’t be their idea of a good joke either. He lets out a breath, sending that doubt and disbelief out of his mind.

Yet, still, he can’t believe it. He’d spent a long time beating himself up over his feelings. And now? He could potentially have it. He could have them both. As much as he wants to be angry with them for putting him through so much personal aggravation and anxiety, he simply can’t. They’re too important, he needs them too badly. He sighs loudly before fixing his face.

“Why would you ever think that it would mess things up? Do you know I’ve been quietly pining after you both since UA? Do you know what it’s like to love your best friends but know, or at least think, that it will never happen?”

“You love us?” Their voices echo each other and Shouto suddenly becomes aware of exactly what he just said. He should be embarrassed and maybe he is, but it’s what he feels and he can’t lie.

“Of course I do, don’t be more stupid than you already have been. It’s impossible not to love you both. I’ve tried for a long time.” Shouto’s eye contact doesn’t waiver and he watches as identical bright smiles light up their cheeks.

“Shouto, we—I—love you too. You have no idea how much we’ve thought about you with us, this is just. It’s perfect.” Shouto can tell Izuku is about five seconds from crying so he draws a hand over to rest on the alpha’s knee.

He gives it a gentle squeeze and then gets squeezed himself as Katsuki wraps his arms around his neck in a death grip. “I love you too, Shouto, so fucking much. I’m sorry that we’re both fucking idiots.” Katsuki’s voice is wavering with tears too. Shouto shushes him and rubs a hand up and down his back while Izuku plays with his fingers.

After a few minutes of muffled sniffles and soaking t-shirts, something dawns on Shouto. “Wait, Katsuki, sit back for a second please.” Almost instantly, Katsuki does as instructed, head cocked to the side like a confused puppy.

Shouto lets out a wavering breath, steeling himself for what he’s about to do. Ignoring the nerves in his chest, Shouto slides his hands up to cup Katsuki’s jaw and draws him in for a quick kiss, lips brushing gently against each other before he pulls back wordlessly. Sparks light in Shouto’s chest and then he’s being pulled over by Izuku to do the same. The sparks turn to full-on fireworks as their lips touch and Shouto can’t believe he’s never felt that feeling before.

Izuku doesn’t let him pull back, though, just tangles his fingers into his long bi-colored locks and holds him in place while he completely devours his mouth. Katsuki whines a little and sits forward to trace Shouto’s throat with his lips. He bites and sucks, and that, coupled with the intoxicating movements of Izuku’s tongue in his mouth, has Shouto feeling dizzy.

Yet, he lets it happen, uncaring that he needs to breathe, even when Katsuki’s tongue meets his skin and starts laving over the tiny bite marks he’s left. Then the omega draws his hips in a circle and Shouto moans into Izuku’s mouth. He pulls back when Katsuki bites his neck at the same time he rolls just right against his constrained cock.

He looks at Izuku as if to ask for permission to do something, anything to relieve the pressure. Izuku just smirks and shoots him a wink.

“Kacchan, why don’t you show him what you’ve got on?” Izuku’s voice is amused, of the sort that lets Shouto know he’s about to have his entire world rocked.

Katsuki releases the suction on his neck, pecks Shouto’s lips hungrily, and then stands. “Sho, can you take these off for me?” His voice is shot like they’d been doing more than just kissing. The sound zaps through Shouto so that his hands move of their own volition. They slide Katsuki’s shorts down over the swell of his ass and the omega bends so it’s fully on display.

Every dirty thought about how Katsuki looks undressed pale in comparison to the real thing. His ass is flawless and plump, cheeks soft and pillowy like two perfect marshmallows. It’s outfitted in ice blue lace panties, the kind that shows a glimpse at the skin beneath. Shouto’s mouth waters as he imagines what waits beneath; he wants to lean forward and take a bite, to run his lips across the lace to taste just a hint of the omega’s slick.

“Go on, touch him. Take the panties off and touch him, Shouto. It’ll drive him wild,” Izuku whispers into Shouto’s ear, the soft push of air making the hairs on his neck stand up.

Like a puppet under a master’s direction, Shouto reaches forward, hands sliding up the milky expanse of Katsuki’s thighs. He lets his thumb play under the lace for a moment, enjoying the feeling of anticipation that warms his chest.

“These are for me?” he asks in disbelief.

“We picked them out special for you…” Katsuki breaks off as Shouto’s thumb caresses him with more purpose. “Do you like them?” His voice is already shaking and Shouto has the thought that they’re both secretly as nervous as he is. There’s comfort in that. It emboldens him.

He watches his own hands travel further to the waistband of the panties, fingers hooking in them to slowly drag them over the expanse of the omega’s ass. Shouto lets out a small astonished breath as Katsuki’s dripping pussy is revealed, slick slowly trickling down his thighs.

“Is all this for me, Katsuki? Did you really get that worked up?” Shouto asks, amused at the thought that he’s really that easy to please.

Izuku nuzzles into his neck. “He’s been waiting a long time for you Shouto, I have too.” Izuku’s lips meet his throat, tongue darting out to taste the skin before the alpha grabs his hand to drag it to the crotch of his joggers. He presses it down so Shouto can feel the hard length there.

“Fuck,” Shouto whispers under his breath. He’s almost overwhelmed with the possibilities, overwhelmed with not knowing who to touch or taste first. But he knows now isn’t the time to be uncertain.

He confidently drags Katsuki back at the same time that his hand presses down onto Izuku’s cock. The alpha sighs heavily in Shouto’s ear causing heat to dance in Shouto’s gut.

“Katsuki, can I taste you?” Shouto asks, voice cracking.

“Yes, fucking please,” Katsuki begs. He wiggles his ass in Shouto’s face, the alpha and beta chuckling at the display.

Shouto leans forward, one hand steadying Katsuki as his tongue finally meets the omega’s dripping pussy. Instantly, his taste buds explode in flavor; he’s sweet, unlike anything Shouto had ever tasted. It’s apparent only in that moment why Izuku has a such sweet tooth—his omega tastes like pure molten chocolate on his tongue.

When the taste finally settles in his mouth, it occurs to him that he’s never actually eaten pussy before—he’s never even slept with an omega. That thought slows his motions for just a moment before Izuku is pressing a kiss to his pulse point.

“Don’t overthink it. He’s a slut, he’ll like anything you do to him.” Katsuki corroborates Izuku’s statement by grinding back against Shouto’s tongue with a pleasured mewl. “I can show you how it’s done if you’re unsure, Shou–to.” Izuku separates the syllables in his name teasingly, almost challengingly.

He quirks an eyebrow in the alpha’s direction before he starts licking more aggressively. Removing the hand from Izuku’s lap, he pulls Katsuki’s cheeks apart so his tongue can meet the alpha’s soaking center. It’s sweeter there–sweeter than the sugariest candy bar. It drives Shouto absolutely feral.

Suddenly it isn’t Izuku’s challenge that drives him but the need to taste the full flavor profile of Katsuki’s slick. His tongue delves between Katsuki’s folds like it has had practice. Then he finally reaches Katsuki’s clit and the omega screams in pleasure. Shouto laps at it like a man possessed, urging the omega to release those pleasured noises again and again.

Izuku watches on, Shouto can almost feel the man’s heated gaze on him as his tongue milks the omega. “That’s good, Sho. You’re doing so good for our omega,” Izuku coos, his husky voice sending vibrations down Shouto’s neck.

“Shouto—f-fuck…I don’t wanna cum yet. Just on your cock.” Katsuki’s voice is strained like it was taking everything in him to speak in a coherent sentence while Shouto’s tongue stays working him over.

So impatient. The beta can’t help but chuckle at Katsuki’s insistence. It’s tempting but he isn’t ready to give up tasting Katsuki yet, he doesn’t feel like he’s had his fill. Instead of listening, he doubles down, pressing his face in further so he can get his lips around the omega’s clit to suck. He alternates suction and vibrations until Katsuki’s legs are shaking and Shouto wonders if he’ll be able to stand bent over for very much longer.

It’s a new form of teasing for them, one that Shouto is sure he’ll be more accustomed to later on. He continues this rhythm until he feels a large hand press into the crotch of his pants. Brain short-circuiting, his tongue halts on Katsuki for a beat while he tries to register Izuku’s movements. Then his cock is out and Shouto has to thank himself for having the foresight to wear pants with no zipper or button.

He casts his eyes down to watch Izuku’s hand dwarf his leaking cock. He doesn’t even have to move his hand up fully to reach the tip. The idea of feeling small under Izuku pulls a moan from him, his entire body absolutely electrified with feeling. Izuku doesn’t go slow, but he doesn’t go particularly fast either, it’s the perfect pace. Ultimately, Shouto knows he won’t last long, not with Izuku’s ministrations or Katsuki moaning like a fucked out porn star.

“Fuck…” he says under his breath.

“Sho keep going…” Katsuki begs, drawing his attention back to his dripping pussy. He knows he won’t be able to ever deny the omega ever again—not when he’s like this, and not when his alpha is so insistent that he give Katsuki everything he wants.

“Fuck,” Shouto whispers again, his hips canting up into Izuku’s hand almost desperately. He’s caught then, overwhelmed and on the edge of exploding. But he wants to be good for them—he wants to show them that they chose correctly.

“Izuku if you don’t stop, I’m gonna cum and—” Shouto breaks off as Izuku doubles down on his weeping cock, pre-cum wetting the entirety of the alpha’s fist.

“That’s sort of the point, Sho. I want you to cum for me, for both of us. We’ll still be able to play, don’t worry,” Izuku assures. Shouto looks at him and then crashes his lips to the alpha’s, fully giving in to the feeling.

Their teeth clash, lips pressing so hard together they could bruise, Izuku’s hand still working him over expertly. There’s a soaring feeling in his chest, one that travels to his gut and dances there in white-hot pleasure. It’s amazing.

Izuku breaks the kiss first, noticing that Katsuki has begun fingering his pussy while watching over his shoulder. “Seems Kacchan got a little impatient, Sho. He tasted so good on your lips, I’m almost jealous I didn’t get to taste.”

Katsuki shoots him a look, plunging his fingers into himself more rapidly. “If you—ah—want it, you should take it,” Katsuki breathes out.

“It’s for Shouto tonight,” Izuku says, pumping Shouto’s cock as if Shouto even needed a reminder that’s where his hand was.

“Mmm, come here Katsuki, turn around, I wanna see your face,” Shouto orders through his own pleasure, his hands pulling at Katsuki until he’s balanced precariously on his lap. He draws him closer, but not too close as to inhibit Izuku from being able to touch him. Then his fingers are sliding inside Katsuki’s pussy while the omega hovers over his lap and Katsuki lets out the most wanton moan Shouto has ever heard in his life.

“You really are a slut aren’t you,” Shouto notes, his fingers pumping in and out of Katsuki. The omega gyrates his hips in response, chasing the feeling from Shouto’s digits.

Izuku continues the movements of his fist, pulling at Shouto’s cock in time with the movements of Shouto’s fingers. It’s almost like he’s inside Katsuki like his cock is making Katsuki’s eyes roll back into his head, minus the omega’s tight wet heat.

Yet as soon as that thought filters into his mind, Izuku’s head travels between their sweaty bodies and he takes Shouto’s entire cock into his mouth.

“Izu–Fuck!” Shouto moans, his body going still and vision blacking out completely as he fills Izuku’s mouth with cum. Katsuki drags his nails through Shouto’s long hair, almost encouraging him through his orgasm while Izuku swallows the entirety of the beta’s load.

“You did so good for us, Sho. Held on so long.” Shouto hears through ringing ears. Katsuki takes advantage of his prone state to start riding Shouto’s fingers, his slick rolling down Shouto’s hand.

Shouto can’t even find it in himself to care as another wave of pleasure shoots more cum down Izuku’s throat. “Izuku, please. Katsuki—” Shouto moans. There’s nothing in his brain besides the intense need to please them too. “I need to…” he trails off, his other hand tangling in Izuku’s long curls as if he’d dare pull him off.

Before long, Shouto’s cock is completely milked and Izuku lets off of it with a lewd pop. Shouto watches as Izuku and Katsuki share a look before Izuku kisses the omega, tongue pressing something into his mouth. Katsuki moans and Shouto swears he feels the omega’s pussy clench around his fingers.

He pulls away smiling. “Shouto tastes good too. Do you think we killed him?” Katsuki asks breathlessly like Shouto wasn’t sitting right there.

Izuku smiles back mischievously. “No, he’s strong.” Shouto isn’t so sure, his entire body feels like jelly and he can’t even muster the strength to tell his fingers to continue moving inside Katsuki. But behind that languid feeling the need to do and to please still burns. He just isn’t sure how to get his body to obey his command to move.

“Poor Shouto,” Izuku coos, turning his lustful green eyes on the beta. “Are you really done, Shouto? I never expected you to be one and done,” he teases.

“Yeah, Sho. I wanted you to fuck me so badly…” Katsuki trails off, his voice taking on a mock-disappointed tone. As if to show Shouto what he’s missing, he clenches his pussy around the fingers still inside him.

Shouto’s eyes snap shut. He considers that they’d been playing with him the entire time, that any semblance of control he’d had over the previous acts had been because they’d granted it to him rather than the natural order of things. They had planned on ruining him, he knew that much now. But It doesn’t bother him, instead, he feels his quirk heat up his skin. He could keep up with them, all he had to do was try.

So, he does. His eyes snap open and in a lightning-quick movement, he removes his fingers from Katsuki, gathers him up in his arms, and marches with him to the bedroom.

Katsuki’s eyes bug out of his head but he holds on tight. “Hey wha—”

Shouto cuts him off with a command. “Izuku, come, or I’ll lock the door and you’ll have to hear me fuck your omega.”

Shouto hears Izuku let out a low whistle and mutter an impressed “now that’s what I’m talkin’ about Shouto” before footsteps sound on the flooring.

The beta miscalculates exactly how fast Izuku is, because within seconds, the man’s entire front is pressed against his back and he’s breathing hard against him, arms wrapping around them both, bringing Shouto’s forward march into the bedroom to a halt.

“Where do you think you’re going, little beta? You think you can just leave like that and command me to follow?” Izuku’s deep voice rumbles against Shouto’s back and he fights the urge to shiver.

Swallowing hard, Shouto smirks. Katsuki looks at him with wide eyes when Shouto chuckles. “You followed, didn’t you?”

There’s a harsh burst of air against Shouto’s neck and he thinks for a moment he really messed up somehow but then he feels teeth against his neck and he knows he’s pushed the right buttons—the ones he’d meant to. The teeth don’t pierce his skin, but it’s the threat of them that incites tingles all over his body.

“Not yet, ‘Zuku,” Katsuki warns from Shouto’s arms. Izuku’s muscles flex in response, Shouto is left wondering what Katsuki meant when the alpha’s teeth leave his throat.

“Move, Shouto,” Izuku commands. Without thinking, Shouto springs forward, leaving the circle of Izuku’s arms to carry Katsuki into the bedroom.

“Now place him on the bed. Don’t move after that,” Izuku’s booming voice instructs. He does as he’s told, waiting for instruction while Katsuki crawls back onto the bed, watching both of them carefully. Katsuki peels off his t-shirt and Shouto itches to do the same—or to lean forward so he can bite the omega’s puffy pink nipples.

Yet he won’t. Because he knows there’s some scent hanging in the air that he can’t sense that would make anyone else stop in their tracks. Katsuki then spreads his legs, his pussy on full display from where he lays in the middle of the bed like Izuku had directed him to do it.

Shouto hears the muffled sound of clothing hitting the floor from behind him, all the hairs on his body standing at attention. The anticipation for touch, or just for any further instruction makes him antsy, his mind turning around in circles.

Izuku pads across the room, plastering himself to Shouto once more. “Let’s take these off, wouldn’t want them to get ruined, would we?” Izuku’s rough hands drag the t-shirt off his body, leaving chills in his wake. Shouto spares a thought to Katsuki’s earlier statement that the limited edition t-shirt would be left there that evening anyway. He almost wants to laugh.

“And these…” Izuku trails off, fingers hooking into the waistband of his briefs and pants before he pulls them down Shouto’s legs revealing Shouto’s cock for the second time that evening. “Such a pretty cock, Shouto,” Izuku whispers. He bends down then, helping Shouto step out of the legs of the clothing before he flings them sideways.

Then the three of them are all naked and exposed and breathing in each other’s heady scents. Izuku’s hands never left Shouto’s body and now they caress the skin of his stomach while his nose works up and down his neck gently.

“Mmm, I bet you don’t even know how good you smell, Sho. It’s like raspberries and…” Izuku takes a deep breath in, his fingers pushing Shouto’s white locks to the side to get a deeper whiff.

“...apricot,” Katsuki finishes.

“Right, apricot. It’s refreshing, I could breathe you in all day.” He takes another deep sniff. “I want to mix it with mine and Katsuki’s, we are already on you—kinda always are. But you and Katsuki mixed together is the naughtiest dessert.” Izuku slides his tongue across Shouto’s scent gland and Shouto wonders if he tastes like they say he smells.

He wants to ask but then Izuku presses his cock in between Shouto’s cheeks and the shock from feeling the full weight of it stops the words in their tracks.

“Don’t tease him all night, ‘Zuku, I want to keep playing with him too,” Katsuki whines. The omega pinches his nipple, rolling the nub between his fingers. He moves his other hand to circle around his clit, sighing with his own movements.

Shouto’s mouth waters and he hopes that Izuku listens; he knows he’s a few moments away from either being fucked or fucking Katsuki and he needs it. His cock is back in the game, head leaking while Izuku seemingly deliberates.

“Shouto, do you want to fuck Katsuki while I fuck you?” Izuku asks. Instantly, Shouto’s mind goes completely blank. He didn’t even think that was possible. But of course he wants that.

“I—yes—yes, please. That’s what I-I want!” Shouto exclaims, immediately chastising himself for the lame response. It’s almost laughable how he thought he was going to have any control over the situation just a few minutes ago.

Izuku chuckles and nudges him forward, hands steadying his hips as they walk forward together. “Good. I was hoping you’d say that. Go ahead.” He taps Shouto on the hip, Shouto getting the hint that he should hop onto the bed.

He slides between Katsuki’s legs, the omega wrapping them around his waist easily. His small hands are there too, immediately knotting in his hair. Shouto’s cock rubs the tight heat of Katsuki’s pussy and he prays to whatever deity listening that he can last even a second inside him because just that tiny little touch has him wound tight.

“Good boy, Shouto,” Izuku commends.

“Such a good boy, Shouto,” Katsuki parrots teasingly, his red eyes full of a concoction of mischief and lust.

“Do you really want to tease me right now, Katsuki? I could easily not fuck you. You could easily be laying here while I get fucked on top of you. Is that what you want?” Shouto quips, eyes boring into Katsuki’s.

Katsuki breaks out into a grin. “Sounds kinda fuckin’ hot.”

A loud smack resounds in the room, stinging pain flaring up on Shouto’s ass cheek. “Be nice, Shouto or you won’t get fucked either,” Izuku warns. Shouto’s mouth snaps shut instantly while Katsuki chuckles under his breath.

“I don’t know why you’re laughing, Kacchan. Maybe Shouto has the right idea, maybe all you’re good for is something for us to fuck on.” Izuku reaches down to pinch Katsuki’s ass, the omega yelping in return.

He isn’t in pain for long though because then Izuku drags two fingers through his warm slick. Izuku then drags those two fingers up until they’re pressing against Shouto’s entrance. Shouto takes a breath, his body totally unprepared for when a finger slips inside him. Izuku goes slow, but once he reaches the final knuckle on his finger, he pumps that finger in and out at a quickened pace, leaving little time for Shouto to do so much as gasp.

“Jesus, Sho, have you ever even bottomed before?” Izuku asks.

Shouto shakes his head, watching Katsuki’s eyes widen from the admission.

“Shit,” Izuku curses.

“You don’t know what you’re in for, Sho,” Katsuki says. The omega brings Shouto’s head down so their lips can touch at the same time Izuku adds another finger. Shouto gasps into Katsuki’s mouth, the omega swallowing it in turn.

They stay like that for a few moments, Shouto and Katsuki kissing slowly while Izuku adds finger after finger until he’s four fingers deep in Shouto, and Shouto is quivering with every single movement of his hand. Shouto’s cock rubs against Katsuki’s pussy with their movements and he wants so badly to bury himself inside it while Izuku fucks him. But Izuku eventually hits something deep inside Shouto and sparks run across the back of his eyelids. He pulls off Katsuki’s lips, moaning loudly into the room.

“That’s it huh, Sho?” Izuku asks, self-satisfaction heavy in his voice.

“Mmph, y-yeah…” Shouto moans, Izuku finding that spot once again.

Katsuki moves a few pieces of Shouto’s hair out of his face. “Pretty Shouto, you look fuckin’ amazing when you moan like that,” Katsuki compliments.

They kiss again before Izuku removes his fingers altogether. “I think you’re ready.” He tugs Shouto’s hips back so he’s in a better position. He feels Izuku’s hard cock press against his ass while the alpha circles his hands around to grasp Shouto’s own.

“We have to go at the same rhythm or it won’t work. Can you do that?” Izuku asks, the hand on Shouto’s hip gripping him tighter as he inches them forward so Shouto’s tip is situated just outside of Katsuki’s dripping hole.

“Yes, please, I’m ready,” Shouto answers.

Izuku glances down at Katsuki for a moment. “Kacchan?”

Katsuki rolls his eyes impatiently. “I’ve only been waitin’ all fuckin’ day.”

Instead of replying, Izuku guides Shouto’s hips forward with his own so that Shouto’s cock breaches Katsuki’s entrance and drives all the way home to the hilt.

The beta and omega let out loud hisses into the air, the feeling of finally being connected in the way they’d always wanted causing them an immediate, immense amount of pleasure.

“Good. Stay still,” Izuku instructs. While the alpha lubes up his cock, Shouto has time to really look at Katsuki. The omega is staring at him, red eyes molten while a pretty blush spreads out over his face, neck, and the expanse of his chest. Had it not been for the order to stay still, Shouto knows he would’ve thrust forward just to see if he could deepen the color.

But then Izuku is there pressing the tip of his cock into Shouto’s ass. No amount of preparation could’ve prepared Shouto for the stretch his ass would endure by Izuku’s cock. He knew it was big, he’d held it in his hand but he never really registered the true size until it was halfway inside him. Katsuki pets and coos at Shouto, encouraging him to hang on while Izuku sits his cock fully inside his ass.

Thankfully, Izuku isn’t some kind of sadist because he allows Shouto the opportunity to get used to the stretch before he even dares move. “Alright, Shouto?”

Shouto bites his lip, his eyes squeezing shut. “Yes, God you’re fucking huge, Izuku.”

“And it only gets fuckin’ bigger,” Katsuki whispers. Shouto can’t even imagine that—doesn’t want to because he can’t understand how he could be stretched even further than he is currently.

Izuku lets out a loud breath, the hand on Shouto’s hip growing impossibly tighter until Shouto’s sure he’ll bruise. “You gotta move, Sho.”

Shouto isn't sure if he can; he doesn’t know if he’ll be able to control himself if he does. He feels impossibly full but at the same time, he doesn’t want to leave the warm wet heat wrapped around his cock. If he’s able to move without cumming immediately, it’ll be because whatever God he’s currently praying to decides to grant him the ability.

Biting his bottom lip, Shouto pulls out of Katsuki hesitantly, Izuku following the movement and pulling out of Shouto too. Izuku groans loudly as his cock passes out of Shouto and Katsuki’s pussy clenches around every inch of Shouto’s cock as it exits it. Once Shouto has rolled back to the tip, he moves forward, slamming his cock inside the omega and eliciting a moan. He doesn’t get to revel in the sensation for long because Izuku is following right behind him, slamming inside Shouto too.

Shouto sees those sparks again, and feels deep pleasure rush down his spine and spread across his entire body. He wants more, he wants to get lost in it. The movements are awkward until they aren’t until Shouto and Izuku have found the perfect rhythm and Izuku’s thrusts echo Shouto’s exactly.

The feeling is maddening. Listening to the alpha release heavy moans in his ear while Katsuki screams with every forward motion multiplies it until Shouto is sure he’s experiencing something reserved especially for the gods. He can’t even describe it—won’t be able to later but it feels like oblivion but also like he’s exactly where he’s always meant to be. That somehow being that middle, the connection in a way between the two, both in literal and non-literal ways, was his entire reason for existing. It’s silly, Shouto knows that. But the pleasure he’s experiencing in his body—from their bodies, is too unreal, it’s too perfect to not be some fated destiny.

“Fuck…Sho, right there, please right there holy shit—Izuku baby please harder!” Katsuki screams. His nails have all but shredded Shouto’s back at this point but Shouto wants to give it to him and wants to feel a harder force from Izuku too.

“Harder Izuku, more,” Shouto pleads. Izuku groans, grabbing Shouto’s shoulders and if Shouto thought the alpha was giving him everything before, he’s wrong. Because Izuku grabs his shoulders and starts pounding into him, uncaring that he’s fucked up their delicate rhythm. He doesn’t care when Shouto starts screaming right along with Katsuki from the sheer force of his thrusts.

“I—Izuku, fuck—ah!” Izuku slams against Shouto’s prostate and it’s all he can do to hang onto Katsuki and send weak thrusts powered by the alpha into the omega. It’s too much. His body is hot—too hot, and for the first time since his teen years, Shouto thinks he’ll lose control of his quirk. His breaths are coming out in icy bursts and he can see the goosebumps rising on Katsuki’s flesh. He wants to apologize, wants to tell them to slow down so he can control himself, but he’s too overwhelmed by sensation to do anything more than moan loudly.

Then Katsuki starts moving his hips to meet Shouto’s pitiful thrusts while Izuku fucks into his ass roughly. It makes him feel like their little sex doll, like they’re using him for their personal pleasure and that thought makes Shouto fucking burn.

His hair lights up in a fiery halo before he has a chance to warn either of them. “Fuck I—” he manages to get out, but they seem undeterred.

“Let it go, baby, you’re okay. We—ah—won’t break…” Izuku encourages.

“Shouto…” Katsuki is looking up at him in wonderment, his eyes reflecting Shouto’s crown of fire. Shouto does his best to turn it off but lets a thin layer of cooling ice expel from his pores where it mixes with his fire side to create heavy steam in the air. Katsuki quickens his movements in response, and Shouto is almost sure he feels the quick pop of the omega’s explosions down his back.

He buries his face in the crook of Katsuki’s neck, letting the light pain of his mini-explosions walk the line between pleasure and pain on his skin. It’s what he needed to get his control back, but now he thinks he kind of likes the feeling.

“Katsuki, keep doing that,” Shouto says. So Katsuki does, increasing their level just a fraction so it turns into light bee stings over his already ravaged back. Izuku levels him with a thrust at the same time and Shouto can’t help sinking his teeth into Katsuki’s skin. He’s too gone to care about the implications but when his fangs elongate into the omega’s neck, he screams.

“Fuck Shouto! Holy fuck!” Katsuki yells, tiny explosions pop one more time and then he’s cumming hard around Shouto’s cock. Every pulse of Katsuki’s pussy creates a vice grip around Shouto’s cock so hard that he struggles to hold on. And Izuku continues to fuck them through it, his cock only serving to push Shouto closer and closer to the edge.

“Sho, cum for me baby, you can do it, cum,” Izuku orders, leveling him with rough thrust after rough thrust until he teeters all the way off the edge.

He cums harder than he ever has in his entire life, harder than even earlier. It feels like a wave of hot water washes over him and he knows that the crown of fire is back on his head, knows that his fangs in Katsuki’s neck are probably ice cold yet somehow soothing the pain from the bite. He bites down harder, this time pouring all the intent he didn’t have earlier.

Mate. Belonging. Home. The wave crashes over him again and he can practically feel Katsuki’s pulsing pussy milking his cock for everything. He’s stopped moving now, his only movements forward spurred by the rough thrusts the alpha is still sending his way. He knows Izuku will cum soon, and he wants him to. He clenches around the alpha’s cock, hoping that the increase in pressure will get him there.

It isn’t until Katsuki stutters out, “‘Zuku, cum for Shouto, he deserves it,” that Izuku finally snaps, his hips delivering one final thrust before his hot cum shoots deep inside Shouto. Shouto nearly breaks off to ask him to bite him, to give him what he really wants, but Izuku beats him to it. The alpha’s long fangs sink into the kiss-marked flesh of Shouto’s throat and the beta sees white.

Mate. Belonging. Home. chants over and over in his mind, this time amplified and Shouto is left to just feel it in its entirety. It’s remarkable, and it signifies the belonging he’d been feeling earlier. It is where he belongs and Katsuki and Izuku think so too.

Another flash of pleasure rolls through him and Shouto realizes he’s cumming for the third time that evening, his body not used to the amount of stimuli he’d received. “That’s it Sho, so fuckin’ good,” Katsuki murmurs. “Our beta, finally.”

It’s then that Shouto realizes through his pleasure-induced haze that Izuku’s cock has grown around the base, and Katsuki’s words seem to have spurred it on. He finally breaks the hold his teeth have on Katsuki’s neck, the curiosity too much for him to bear.

“Is he—is that a knot?” Shouto is surprised by how broken his voice sounds.

Katsuki smiles at him, leaning up to kiss his cheek. “I think we might’ve sent him into his heat early. Fucker can never keep his cool,” Katsuki laughs. “But then again, neither can you huh, Icyhot?” The omega’s eyes flick up to the crown of fire now dying around Shouto’s head.

Shouto smiles back, extinguishing the fire before he runs a hand up behind his head to tangle in Izuku’s curls. He knows Izuku won’t let go of his neck until every last drop of cum is inside him, but he knows he can hear him.

“I love you both very much. I–I’m glad that you chose me.” It takes everything in him not to burst into tears from his own words, and by the looks of it, Katsuki has to try hard himself.

The omega sits up so he’s crowded in both Izuku and Shouto’s space once again. He throws his arms around them both as best as he can. “We fuckin’ love you too.”

To his surprise, Izuku unlatches Shouto’s neck, yet he can still feel the cum spilling from Izuku’s cock inside him. “Easiest choice we’ve ever made, Shouto,” Izuku says warmly before he cleans the mating bite with his tongue.

It’s only then that Shouto finally bursts into tears, sobs wracking his shoulders. For the first time in his life, he knows that this is what home is, this is what it feels like to be loved fully. The alpha and omega just hold him tenderly, petting his skin while he cries and cries, a generation’s worth of tears falling between them.

–

A little while later when Shouto has calmed down and Izuku’s knot is no longer inflated, they’re lazing on the bed together, wrapped up in each other’s warmth. They’d spent the rest of their evening finishing the mating process, Izuku now displaying a mark from Shouto and Shouto one from Katsuki. They’re content talking about every silly little thing they did in trying to hide their affections.

But Shouto realizes something he missed, so he sits up, startling the other two from their dozing states. “Wait!” Shouto exclaims. “Were the panties really my present? You both said Katsuki had been working on it for a while now!” He turns on them to look at their now bashful faces.

Izuku speaks first: “We were gonna show you but things kinda…well you started kissing us and the schedule of events kinda went out of order.”

“Yeah, it’s your fault, Sho, how fuckin’ dare you mess up our plan that you could have no way of knowing,” Katsuki jokes.

Shouto’s answering laugh is light and airy. “I want to see.”

“But that fuckin’ requires moving and I don’t think my legs work,” Katsuki whines.

“Kacchans such a big baby, our mate wants to see what you did, get up.” Izuku pokes Katsuki’s naked chest.

“Is that an order, oh almighty fuckin’ knothead?” Katsuki’s eyes squint in Izuku’s direction.

Shouto just sighs, flicking them both on the noses. “Alright puppies, relax, no need to start bickering.” The beta pushes Izuku off of him, hoping that he’ll let him up easily. But no dice, the alpha is majorly unhelpful, just letting his arms lay like deadweight against Shouto’s body.

He sighs again, deciding he needed to take matters into his own hands if he wanted to get anywhere with either of them (par for the course for the entire evening). He reaches a hand below him and touches each of them on their lower stomachs, Katsuki with his ice and Izuku with his fire. That causes both of them to yelp and leap away from Shouto, providing him with the perfect opportunity to make his escape.

“Hey! Get back here!” Katsuki complains.

“Shouto is mean, Kacchan you influenced him badly!” Izuku shouts.

Shouto reaches for his shirt on the floor, holding it in front of him while they watch him. He lets a flame light on the tip of his finger, shock beginning to paint both of their faces. “Get up and show me or the shirt gets it,” he threatens.

That gets them moving immediately. Both men jump up off the bed and stand at attention. Shouto laughs and extinguishes the flame on his finger with a quick puff of air.

“That’s what I thought, now lead the way.”

“Maybe Sho is mean,” Katsuki mutters.

“Your fault,” Izuku answers back.

Shouto rolls his eyes, following the (still nude) men into the living room and then to a smaller door where Katsuki starts to shift from foot to foot.

“If you don’t fuckin’ like it or somethin’ just uh, tell me and I can fix it but I worked really—well I just made this for all of us…” Katsuki trails off, the nerves causing his voice to waver a bit.

Something metal presses itself into Shouto’s palm and he looks down to see Izuku handing him a key. The alpha smiles warmly at him. “This is yours. It’s a skeleton key and opens the front door too so you can…you know, come and go as you please.”

“Or you can just stay forever. That’s what the dork is trying to say,” Katsuki adds.

Shouto smiles, the offer making his heart do leaps and bounds. “Let’s see this present first and then I’ll decide,” he teases.

He walks forward and presses the key into the door. The lock unlatches and the door swings open to reveal a room that smelled like the pure essence of his mates. It’s warm and inviting so he steps further inside. Candles light up the room so there’s a soft yellow glow over everything. In the center of the room sits a large pile of pillows in varying shapes, sizes, and colors. There are blankets too, all different textures and all arranged in a particular fashion that he knew Katsuki had fiddled with until perfect.

He steps in to get a closer look and then he starts noticing articles of his own clothing, things that he thought he’d just lost. But then there were things like his UA gym uniform he hadn’t seen in years and sweaters he recognized but there’d be no way he could even attempt to fit now.

“Are these—have you been collecting things since UA?” Shouto asks incredulously, turning around to look at Katsuki.

Katsuki just stares back at him, eyes wide. Shouto realizes he’s probably being insensitive, that the questioning tone would likely come off as offensive to an omega sharing something so private and intimate with him.

“Can we get in it?” Shouto asks, forgetting the other question in favor of making the omega perk up.

“Yes, of fuckin’ course, it’s for all of us, you—you never even have to ask. It’s, I don’t know, you’ve always been pack, you could’ve always been in it with us. I never knew how to offer.”

“We always thought of you as pack, Sho, since day one,” Izuku adds nicely.

A huge smile breaks out on Shouto’s face. “That long? Really? You mean I didn’t mean to keep my distance?”

“No!” they answer in unison and rush forward at the exact same time, knocking Shouto back into the nest. They laugh together then, both at their own childish ridiculousness and from their giddy feelings.

Everything is remarkably easier after that. There’s no longing feeling present in Shouto’s chest, no need to separate himself from their love so as to not intrude. There’s just belonging to them and them belonging to him forever.