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Poison in my mind

Summary:

In which Sieun accidentally takes an aphrodisiac and convinces the one person plaguing his thoughts to help him out.

Notes:

extremely self indulgent fic... noticed there were no shse fics under the aphrodisiacs tag so i had to get to work 🫡

Work Text:

Sieun shifts in his chair. The air around him feels so hot he thinks he might be suffocating. He figures he must be coming down with some kind of sickness. He sits up from his chair and his knees immediately buckle as he stands straight, making him have to brace himself with both hands on his desk. His head feels light and airy. He uses all his might to waddle to the kitchen to get a glass of water.

As he crosses the distance between his bedroom and the kitchen the doorbell rings.

Suho. He was supposed to come over today.

The mere thought of Suho makes the aching in his gut worse – he can feel an added pressure in his groin too. He tries to brush it off and walks the rest of the way to the entrance.

The door swings open and Suho's expression immediately shifts to worry at Sieun's state.

“Sieun-ah? You okay?”

Sieun is using the door as leverage, his cheeks flushed a deep red, panting helplessly.

“I think I'm getting sick.”

He looks up at Suho and immediately gets lost in his features. His eyes dart to Suho's lips – he can't shake the thought of what they would feel like around his cock—

Something is very, very wrong.

Suho hooks his arm under Sieun's armpit and moves him away from the door, into the apartment, clicking the door shut behind him. Every point of contact between their bodies feels like pure static electricity running through Sieun's veins. He tries to shake Suho off but he only clings on tighter.

Suho sits him at the table, putting the back of his hand up to Sieun's forehead. He rests the other hand on Sieun's thigh as he bends down to his height. Sieun's mind wanders as he wishes that hand inched its way up his body.

What the fuck is wrong with him?

It's no secret to Sieun that he's attracted to Suho. He's as sure of that as he is any other fact. The sky is blue – Suho is hot. He's always been able to control those thoughts. Suho is objectively attractive, anyone can see that.

So why can't he get it together now? Why is he looking at Suho's bicep and wondering how it would feel wrapped around his neck?

Sieun shudders.

“You do feel hot. I don't think it's a fever yet. Have you eaten anything?”

Sieun thinks. He pushes through the haze of Suho clogging his mind and thinks.

“I ate some chocolate earlier.”

Suho raises an eyebrow, forehead creased with worry.

“Are you allergic?”

What a stupid question. If he knew he was, why would he have bought and ate it?

Sieun shakes his head, squeezing his eyes shut. “I don't think so.”

Suho moves around the kitchen and stares down at the trashcan, spotting the chocolate wrapper. He plucks it out.

He flips to the ingredient list, eyes darting frantically over the letters.

This product contains a potent aphrodisiac. Keep out of reach of children.

Suho's jaw goes slack.

“Sieun-ah… Do you know what's in this?”

Sieun looks up at him incredulously. He slowly shakes his head, fear starting to set in. He snatches the wrapper from Suho's hands and examines it.

Ah. That explains it.

Granted he didn't pay much attention when he grabbed it off the shelf at the convenience store. The name on the front was something inconspicuous. ‘Dark Chocolate Desire’. How could he guess it was an aphrodisiac? It just sounded like lame sappy marketing.

His arms droop to his thighs in defeat. At least he knows what's going on. He takes in a deep breath as he goes through all the possibilities in his head.

Suho starts walking away. “I can… leave, if you want—”

Sieun speaks before he can stop himself. He reaches for Suho's sleeve.

“No. Stay. Please.”

It courses like liquid confidence in Sieun's veins.

Suho looks down at him with an unreadable expression. His mouth hangs open with words he can't find. He's not even the one under the effects of an aphrodisiac and Sieun panting against his torso, resting his head on his ribcage is making him weak at the knees.

“Please help me.” Sieun's voice is small, muffled by Suho's windbreaker. The desperation is palpable.

Suho's eyebrows disappear into his bangs, breath hitching in his throat. He's completely frozen. He would do anything for Sieun, he just never expected that would include this.

“What… you've never jerked off before?” Suho laughs nervously.

Sieun is about to jump his bones. Has Suho always been this clueless? He's not impervious to the glances Suho steals when he thinks Sieun isn't paying attention. The way he stares him down like he wants to swallow him whole. How he finds any excuse to pin Sieun against the nearest surface, standing so close Sieun can feel the heat radiating off his body.

His flirty personality already drives Sieun crazy on a regular day, let alone when he's under the influence of a synthetic drug that increases his libido tenfold.

“Fuck me. I'm asking you to fuck me, Suho. Please.”

Suho's brain stops working. Every inch of his body is screaming to move. Do it. But his brain is fighting back. Sieun is under an aphrodisiac right now. It's not right for him to take advantage of that.

“Sieun-ah…”

Sieun looks up at him, panting.

“I don't think I can do that. You're not in your right mind right now.”

Sieun's face drops. Seriously?

“I—I mean I would. But you didn't even mean to take it. It feels wrong.” Suho averts his gaze, rambling. He doesn't even register what he just admitted to.

“I just asked you to fuck me.” Sieun grits his teeth.

“Yeah, because you're high. You would say anything to relieve yourself.”

Sieun thinks, burning anger mixing with profound lust. It's not anything. If it were anyone else showing up at his apartment he would've turned them away at the door. That alone should mean something.

“Fine. I'm gonna take care of it then. Surely you don't mind, right? I'll let you know when I'm done.” He shoves Suho away as he gets up from the chair, marching towards his room with purpose. He slams the door shut but doesn't lock it.

Suho doesn't leave. He sits down on the chair Sieun was previously sitting on and waits, despite his better judgement. He leans against the back of the chair, head turned to the ceiling and closes his eyes.

He doesn't hear anything for a minute. He wonders if Sieun is still waiting for him to get up and help him.

Until Sieun whines. Loud. Loud enough that Suho can hear it clearly. He keeps going, agonizing and unabashed whines ripping out of him and echoing throughout the thin walls of the apartment. Suho palms himself through his pants in a last ditch effort to control himself.

On the other side of the door, Sieun is laying on his bed, fisting his cock with one hand, while his other arm is draped over his eyes. His sweatpants and boxers are pulled down haphazardly, just enough for him to be able to pull his cock free.

His mind keeps going back to Suho as he attempts to relieve himself. His hands. His arms. His biceps. His chest. His broad shoulders. His abs, which he's caught glimpses of – most certainly on purpose – when Suho lifts the hem of his shirt to wipe his forehead. His face. His hair. His eyes. The apples of his cheeks. The curvature of his jawline. The prominent vein on the side of his neck. He wishes he were biting down on it right now as Suho stuffed his cock to the brim inside of him. The thought is enough to make him moan helplessly, the pressure starting to grow unbearable as he pumped himself as fast as he could.

His orgasm starts to build like a train barreling through the tracks. His lower back arches off the bed as his whines come out broken and urgent. He starts chanting Suho's name like a prayer before he realizes it.

“Suho… S—Suho-yah… Ahh.. A—Ahh… Suho

He feels a large hand circle his own, halting his movements abruptly. He drags his other arm off of his face and looks up at Suho hovering over him. His pupils are blown out as he sucks in deep breaths.

“Let me help you, Sieun-ah.” Suho whispers, searching Sieun's eyes for any semblance of resistance.

His touch is still careful. Always careful when it's Sieun. Even when he's a sweaty mess underneath him, completely vulnerable, begging for Suho to fuck him just moments ago, he still makes sure to check on him again.

Sieun didn't think it could be possible for him to be even more attracted to Suho than he already was. He uses his other hand to wrap around the back of Suho's head to pull him down and smack their lips together. It's unbelievably messy, teeth scraping against teeth as Suho tries to gain ground again.

Please… Please please please…” Sieun whispers between kisses.

Suho hums at the feeling. His hand moves up Sieun's body, snaking under his t-shirt until the fabric rides up his torso completely, exposing his tummy and chest. His thumb rolls over Sieun's nipple and it sends jolts all throughout his body, making him gasp into Suho's mouth. Suho wonders if he's always been this sensitive.

Sieun grips the hem of Suho's shirt with urgency. Their lips part for only a second so Suho can lift the shirt over his head, throwing it behind him hazily. Sieun immediately pulls him down again, his hands sliding down Suho's body, feeling the lean muscle ripple underneath his palms. His legs circle Suho's waist, pulling the man above him against his body snugly.

Suho reaches in between their bodies, his hand finding Sieun's cock again. He swallows Sieun's moans as he works his hand around the tip before broadening his strokes, hand lowering all the way down to the base of his cock and coming up, thumb pressing against the tip with just enough firmness for Sieun to see stars.

It feels like too much and not enough. Sieun feels greedy, attempting to drink in every ounce of Suho's essence, completely drunk with want, a slight shame sneaking in through as much sober clarity as he can muster. His hand grips Suho's bicep tightly, muscle giving way as his nails leave crescent marks on the skin.

Suho slowly trails his kisses down Sieun's jawline, inching down to his neck. Sieun attempts to bite back whines as Suho sucks and bites down on the skin.

“You're acting shy now?” Suho chuckles against Sieun's neck. “Not when you left me out there while you touched yourself and moaned my name?”

Sieun shudders at the vibration against his neck. He rolls his head back and squeezes his eyes shut, holding back moans as Suho's hand quickens around his length.

Suho pulls away and uses his free hand to tip Sieun's head back down. “Eyes on me. And I wanna hear you, baby.”

The pet name makes Sieun's head spin. He makes a noise in the back of his throat in response. Suho is in absolute awe at his current state. His Sieun – always composed and collected – writhing under him. It feels like Suho's greatest privilege.

“You like being my baby, hm?”

Sieun looks up at him through his lashes and nods rapidly. His breathing quickens as he feels the knot in stomach slowly unfurl. His hand slides down Suho's forearm, halfway between pushing him away and pulling him in.

“Easy.” Suho soothes him. “I got you, baby.”

Sieun comes undone with Suho's words, hot spurts of cum painting his stomach and Suho's hand. His thighs tighten around Suho's waist as he bucks up to meet Suho's hand. Suho doesn't stop until Sieun grips his forearm tightly, forcing his hand away, moans turning into painful whimpers.

Their eyes never tear away from each other. Suho watches as Sieun's eyes turn glossy with tears from the overstimulation, hunger festering inside of him. He pushes past his own needs for Sieun.

“Feel better?” Suho asks, cupping Sieun's cheek with his hand, carefully wiping a stray tear that managed to escape with his thumb.

Sieun is insatiable. Getting a taste of Suho may have been his greatest mistake.

“Need more… Need…” Sieun paws at Suho's chest.

“What do you need, hm? Use your words, pretty.”

“Need your cock inside of me… Please…”

Suho rolls his tongue in his cheek, absolutely relishing in how Sieun is breaking so easily.

“Anything for you, Sieun-ah.”

He lifts himself up onto his knees and smooths his hands down Sieun's body, pulling his sweatpants and underwear off in one go.

Suho lowers his head, trailing kisses down Sieun's abdomen. his hand follows suit, squeezing the soft skin of Sieun's tummy.

So fucking hot. Can't get enough of you.” Suho mumbles against his skin.

Sieun watches with morbid curiosity as Suho kisses over his cum coated stomach, humming at the taste. Suho meets his gaze and smiles as he reaches just above Sieun's pelvis.

“Need to get you ready to take my cock, baby. ‘S that okay?”

Sieun feels like he's about to explode. He clumsily reaches for Suho's hair and pushes his head down into the mattress.

Suho chuckles. He hooks his arms around Sieun's thighs and pulls him closer, angling his hips up. He trails sloppy kisses along the inside of Sieun's thigh until his mouth finds his entrance. Sieun's breath hitches in his throat, his hand never leaving Suho's hair. Suho works Sieun's hole open with his tongue patiently, until the ring of muscle gives way. He pistons his tongue in and out expertly, easing in a finger as he looks up to study Sieun's expression.

Sieun's eyes are squeezed shut, face contorted in a mix of pleasure and pain. Suho watches as the pain slowly subsides, leaving Sieun shuddering, letting out broken whimpers as he tightens his grip on Suho's hair. Suho pumps his finger into him a few times before slowly easing in another, repeating the process. Suho's fingers brush against a certain spot that makes Sieun's lower back arch off the bed and his thighs clamp down on Suho's head. He pumps his fingers in and out a few times, brushing against the same spot each and every time, watching as Sieun throws his head back and whines. He smiles as he finally pulls his fingers away and rises back up to his knees.

Suho dips back down for a second to kiss Sieun before he lifts himself off the bed completely to finish undressing himself. Sieun watches him, lower lip caught between his teeth. His eyes follow Suho's movements as he takes off his pants and underwear, letting them pool on the floor as he climbs back up to Sieun.

Suho is bigger than Sieun expected, tip red and leaking. He can't tear his eyes away as Suho positions himself at his entrance, holding Sieun's legs up from under his knees.

Suho looks back up at him, smirking. “Eyes up here, baby.”

Sieun rips his eyes up to meet Suho's gaze. He looks like a deer in headlights. Suho leans down to kiss him again. The kiss is soft, restrained. Like he's holding back all his strength.

“Let me know if it's too much, okay?”

Sieun nods.

Suho eases the tip in slowly. Sieun's hole swallows him up, grip firm and tight. Sieun sucks in a breath as he tries to get used to the feeling. His hand finds Suho's on the underside of his thigh, holding it in place firmly.

“K—Keep going.” Sieun's voice comes out strained.

Suho obeys, easing into him inch by inch, slow and excruciating. He leans down to bump their foreheads together as he bottoms out. Suho uses all his strength not to start thrusting in and out of Sieun immediately. The way Sieun's walls pulsate around his cock drives him crazy.

Sieun looks absolutely breathtaking. Already fucked out, eyes glossy and dopey as he looks up at him. He nudges his head up against Suho's slightly, with just enough force for Suho to understand that he's signalling him to move.

Suho drags his cock out slowly, only to sink back in again just as slow. He lets a low groan escape from the back of his throat.

Sieun is already growing restless.

“F—Faster.”

Suho's eyes widen, but he obliges, snapping his hips against the back of Sieun's thighs with increasing speed.

Suho's cock drags against Sieun's prostate repeatedly, making him teeter closer to the edge as his eyes roll back.

Ahh—A—Ahh… Ahhh… Hyung—

Suho stills, balls deep inside of him. Sieun whines at the fullness.

“F—Fuck… Say that again.” Suho's voice is laced with neediness.

Suho pulls out almost entirely before slamming back into him again.

H—Hyung!” Sieun mewls out, tears threatening to spill from his eyes.

Suho's head dips down onto Sieun's shoulder as he moans, thrusts picking up pace once more. He removes one hand from Sieun's thigh to circle his cock again, pumping him with urgency. His thrusts turn messy as Sieun's leg drags down the side of his thigh.

Sieun's whines fill the room, his breathing and heartbeat erratic. Suho can feel his walls pulsate faster around his cock.

“Cum for me, baby. I need to feel you cum on my cock.” Suho's voice is low, commanding, reverberating off Sieun's skin.

It doesn't take long for Sieun to fall off the edge after that, spurts of cum painting his tummy once more as his vision turns spotty. He reaches an arm around Suho's neck, teeth clamping down on the skin between his neck and shoulder as he bites down hard.

The feeling of Sieun's walls tightening around his cock as he came is enough for Suho to follow closely behind him, bottoming out inside of him as he fills him up. His choked out groans are muffled by the skin on Sieun's shoulder. He thrusts a few more times before his body goes limp, arms coming up to support his weight so he doesn't crush Sieun.

The room is quiet, still, only filled with the sounds of their exasperated breaths as both men come down – a stark contrast from just moments before. Sieun brings his hand up from Suho's back to stroke his hair gently.

Suho uses all his strength to pull out and settle down next to Sieun. Sieun shudders – the emptiness feels foreign at this point.

Suho watches Sieun's expression as his eyes flutter open and he turns to look at him. He looks like the definition of calm, eyes half lidded, hand still not leaving Suho's hair. It's safe to say Sieun definitely feels better now.

Neither of them dare to break the unspoken silence between them. It settles in like a cool night breeze, both men too spent to care about anything except each other.

Suho's arm snakes around Sieun's waist and he pulls his body flush against his, a lazy smile resting on his face.

Sieun pulls Suho's head down to kiss him. It's soft and gentle, all the urgency from before having fully dissipated. Sieun almost dozes off with their lips locked together before Suho pulls away carefully.

Sieun's eyes are almost fully closed as he uses his last ounce of energy to listen to Suho.

“I love you.” Suho whispers.

Sieun's face contorts into a smile that pangs at Suho's chest. His eyes close as he mumbles something back. It takes Suho a moment to realize he said ‘I love you too’.