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my world is a better place (because of you)

Summary:

He loves little moments like these, loves how easy it is for him to figure out what his brother needs at any given moment, loves that it usually involves Mario's attention and physical affection. At the end of the day, it's what they both need the most. Mario loves giving all of his attention to Luigi as much as Luigi loves receiving it.

Notes:

i didn't have mario brothers porn on my bingo card for "longest fic i've ever written" but here we are.

y'all, i got way too carried away with this lmao i've watched the movie 5 times and it sent me back down the rabbit hole, my obsession with these two goes way back and the movie has thrown me right back in fjsnxj i love them so much

title is from 'because you loved me' by celine dion

i feel like this might be all over the place but yknow what, i'm really satisfied with it. i haven't been this inspired to write fic in MONTHS, there's like 10 unfinished ones for those two on my phone right now. we'll see if any of them make it on here lmao

for now, enjoy!

~ jam 💕

Work Text:

The princess has been kind enough to provide them with a room in her castle for the time being - and what a room it is.

It consists of the main room, two bathrooms and even a little kitchen. It's an apartment really, bigger than their family home back in Brooklyn, beautifully decorated with pink and white highlights - no surprise there.

The main room contains several couches and armchairs that are perfect to sink into after a long day, a couple of bookshelves, the working desk Mario is currently sitting at, and even a TV set to which they promptly hooked their video game system (priorities are important). 

That leaves the bed, queen-sized and with perfect view of the TV, similar to Mario's bed in Brooklyn but times a hundred. 

The princess offered to get them seperate beds but after sharing a look with each other they'd politely declined. Even back in their world, they mostly slept in Mario's bed anyway, and though this bed offers much more space for each of them, they fall asleep snuggled close to each other all the same.

Maybe even holding on a little bit tighter now, the natural consequence of the latest events. 

Mario pinches the bridge of his nose, setting the pencil down for just a moment. Yes, the room is indeed nice. He enjoys being here, Luigi enjoys being here and they're very grateful. Which is why he doesn't want to take advantage of Peach's generosity any longer than necessary.

They need their own space. A house. A home. And Mario intends on making it the best possible version of itself.

"-istening to me? Mario."

Mario blinks himself out of his thoughts when Luigi's voice reaches his ears. "You promised you'd be done for the day by the time I got out of the shower!" 

"I know, Lu, I'm sorry", Mario says, rubbing his eyes. He truly is sorry. Luigi worries about him overworking himself and he admits, maybe he has been going a little overboard those last few weeks. But he's doing this for their future, to make sure they have a safe, warm, comfortable home to return to after whatever else this world is going to throw them into.

It may be tough now but the more thorough he's being with planning everything out, the smoother it's going to go once construction starts. 

"-zoning out! Mario, you're not even looking at me!"

He can practically hear the pout in Luigi's voice and it makes his lips twitch into a fond little smile. Turning his chair around, Mario finally looks at his little brother, cheeks still a little flush from his shower, damp hair sticking in every direction.

His gaze falls on the faded red shirt he's wearing. It's one of Mario's. Luigi wears his shirts as pyjamas quite often and Mario can imagine why. Luigi may be taller but his slender frame almost gets swallowed up by the shirt. It must be delightfully comfortable. 

"I'm about done for the day, Luigi, I promise."

"Uh-huh. You mean like half an hour ago?"

"Who takes showers that long anyway?"

"Don't try changing the subject! And long showers are an absolute delight!"

"All I'm saying is that you could just take a bath, that's way more comfortable than -"

"I'm not going to have a discussion about my shower habits with you again! And for the record, taking a bath alone feels weird and lonely, baths are meant to be taken together!"

"Well, mama mia, if you'd made that point half an hour ago I would've definitely called it a day right then and there." 

Luigi freezes, a choked sound escaping his parted lips. He's blinking rapidly, processing everything that's been said just now before attempting to glare at Mario but looking about as intimidating as a kitten.

Mario's smirk makes him blush a little darker and as usual he starts stumbling over his words. "I...you...I told you...I said that...you're..!"

Mario watches him for a long moment, face beet red, fingers awkwardly kneading the shirt, eyes darting around and very pointedly avoiding contact with Mario's. It makes his heart beat a little faster. Luigi is adorable beyond comprehension.

He chuckles and holds out his arms. "Luuu ~"

Luigi does look at him then and he's not losing any time, dropping on his knees in front of Mario's chair and hiding his face in Mario's stomach with a little squeak.

Mario chuckles again, fingers gently carding through Luigi's damp hair. He loves little moments like these, loves how easy it is for him to figure out what his brother needs at any given moment, loves that it usually involves Mario's attention and physical affection. At the end of the day, it's what they both need the most. Mario loves giving all of his attention to Luigi as much as Luigi loves receiving it.

It's as if Luigi read his mind (and at this point, he might as well) because he lifts his head from where it was snuggled against Mario and looks up at him with the biggest, saddest puppy dog eyes he's ever seen. "All you do anymore is work on the house. We've hardly spent time together those last few weeks."

Mario's heart gives a little clench. He keeps stroking Luigi's hair and gently scratching his scalp, making Luigi close his eyes with a content little hum. Mario's positive that if he could, he'd be purring. 

"I know, little bro. I'm sorry. I just wanna make sure everything is perfect."

Luigi opens his eyes at that, reaching up with his own hand to intertwine their fingers. "We'll have our own home. It's gonna be perfect no matter what."

Mario's smile widens and he releases a fond little huff, his chest seemingly swelling with warmth. Sweet little Lu.

Luigi seems to be thinking about something, looking at and playing with Mario's fingers. He squeezes them once, as if he made up his mind before looking up at him again. "Mario, please, at least watch a movie with me tonight? I can't stand seeing you like this." He pauses, a fresh blush creeping up his cheeks as he looks away once more. "And..."

Mario raises an eyebrow. He knows - of course he knows - how anxious Luigi gets, and he respects that, tries not to push him out of his comfort zone. He doesn't need to usually because Mario is Luigi's comfort zone. However when it's about his own desires, Luigi is still reserved, almost ashamed to share them even with Mario, and that's something Mario is very keen on fixing. 

With that in mind, he gently pulls his fingers free and wraps them around Luigi's chin instead, making him look up at him again. If Luigi's blush darkens, that's a win in his book. "And?"

Luigi gulps. "And I...I really...miss you..."

The confession, even though it's not a surprising one, tugs at his heartstrings. Of course Mario relates, if the choice is between spending time with his brother and, well, anything other than that, it's no choice at all really. His mind is all Luigi all the time whenever he can help it. 

Mario tilts his head, humming lowly as he pretends to think about it. He knows Luigi can tell because his eyes are already lighting up, in turn making Mario's heart throb. "Alright, fi-"

Before he can even finish, he finds himself with his arms full of little brother, who chose to jump him as soon as he got his confirmation. Mario can't help the laugh bursting from somewhere deep in his chest, vaguely worried that the chair might break from the sudden addition in weight but the thought is fleeting. His first (his only) priority is in dire need of his undivided attention and Mario intends to give him just that. 

Arms wrapped around Luigi, Mario nuzzles into his damp hair, a tingle running over his entire body at the very familiar smell of his shampoo. "I never could say no to you, huh?"

 

***

 

Mario wants to enjoy this moment, savor every single second of it, revel in the comforting familiarity of Luigi snuggled against his chest, his chin resting atop Luigi's head, his fingers flexing in a gentle caress as his hand rests on Luigi's lower back.

He wants to. He can't. 

His thoughts keep circling back to the house. It's prodding at his mind like the spear of a Koopa and he hates it, he hates that his attention is being pulled away from Luigi but there's nothing he can do.

He tries to focus on his breathing, on Luigi's breathing, on his fingers stroking Luigi's back but he always comes back to materials, budget, rooms, room size, furniture, should they put in a guest room? What if ma and dad want to visit? If they do, should Mario get seperate beds for his and Luigi's room? They never could stay apart for longer than a few hours and even that is torture to both of them so their parents wouldn't bat an eye over a shared bedroom, but a shared bed is a whole other - 

"Mario, I can hear the gears in your head turning." 

Luigi shifts and part of Mario wants to pull him back and pretend that everything is fine but that's not going to happen. Luigi knows him better than he knows himself, they're able to read each other like books. There is no fooling Luigi and there is no stopping Luigi from worrying about Mario either. That's a given on both sides. 

Mario sighs, his own frustration mixing with the guilt he feels about ruining this for Luigi as well. "I'm sorry, Weegee."

Luigi is looking at him with those kind, understanding eyes of his and it makes the guilt even stronger. Mario reaches out to run his fingers down Luigi's cheek before sighing once more, pinching the bridge of his nose.

"I swear I'm trying to relax but I just can't shut my brain off. There's so much I have to figure out, so many things I haven't considered yet and there's the budget and -!"

It's as far as he gets into his rambles before a very familiar pair of lips connects with his own. Mario's eyes go wide, his heart skipping several beats.

This is...new.

Luigi never initiates anything like this. He's always happy to reciprocate but Mario can't remember a single time where he's made the first move.

It's unusual...but definitely not unwelcome.

Mario closes his eyes, humming against his brother's lips. He can feel Luigi smiling and is about to tangle a hand in Luigi's hair to deepen their kiss - 

- but it seems Luigi has other plans. The kiss ends far too soon and Mario can't stop himself from uttering a disappointed little grunt, which in turn makes Luigi giggle.

He bumps his forehead against Mario's. "I think you might need a little help with relaxing..."

Luigi licks his lips after he says this - unconsciously it seems because otherwise he'd be blushing like a tomato - and the implication goes right to Mario's cock.

Again, this is not how any of this usually goes. Mario is always the one starting things off, he knows Luigi well enough to recognize the signs he needs to look out for.

Luigi will lean in a little closer, hold Mario's hand a little tighter, always anxious fingers playing with his overall straps and of course - Mario's favorite, the sign he only gets to enjoy whenever Luigi's desire overshadows his self-consciousness - looking at him through his eyelashes, unconsciously chewing on his bottom lip, the faintest blush on his cheeks. 

The point being, ultimately Mario is in charge. Luigi has never been so bold before.

Well. Bold for Luigi standards.

Already, the self-deprecating thoughts seem to have caught up with him again because he pulls back suddenly, as if burnt, and starts twiddling his thumbs, looking everywhere but at Mario. "If...if you want, I mean..." 

It's ridiculous enough that Mario would've laughed if he didn't know that Luigi's doubts are very real. And it's on Mario to get rid of them as soon as they arise, pluck them like weeds.

His fingers find Luigi's chin again, mirroring Luigi's action from earlier as he presses their foreheads together. He gives the most reassuring smile he can muster. "It'd be much appreciated, Lu..."

Luigi's face lights up and Mario kisses him again, deeper this time, parting Luigi's lips with his own and slipping his tongue inside.

He can feel Luigi's full-body-shudder, his tiny little moan making his cock twitch. He's grateful for his sweatpants because he knows firsthand how uncomfortable things like this get wearing overalls.

God, it's been so long. Too long, he thinks as he runs his fingers through his little brother's hair, kissing him like he's starving, tickling more of those sweet little moans out of him. Luigi is always so responsive to everything Mario does. It's the greatest reward he could think of. 

Luigi is half straddling him by the time they finally break their kiss, his fingers resting on Mario's jaw in a gentle hold, Mario's hands firmly gripping his thighs. 

"You're more tense than before", Luigi tsks, the tiniest smirk on his face and despite it being at his expense, he thoroughly enjoys the instance of Luigi being smug about something he's achieved. 

However, two can play that game...

Mario hums, his hands finding their way under the waistband of Luigi's sweatpants. "And whose fault might that be?"

He gives Luigi's ass a firm squeeze, reveling in the unprepared little shriek it earns him. Mario can't help himself, he grins and leans in, about to swallow up another shriek.

But Luigi won't have it. Mario's lips are stopped by Luigi's index finger and before he can protest, hot breath is ghosting over his ear. 

"Let me fix it, big brother..."

 

***

 

"Christ, Lu..!"

Mario is propped up against several pillows, head thrown back as he moans, his fingers tangled in Luigi's hair, not pulling, just feeling and encouraging while Luigi's mouth is working his cock like an expert.

It's astounding, considering the fact that Mario is the only person Luigi's ever been with like this, and merely thinking about it makes his cock twitch in Luigi's mouth, which Luigi takes as encouragement to take more of him in and Mario's toes curl, a low, deep moan in the form of Luigi's name slipping past his lips.

It's difficult not to let it get to his head sometimes. He's the first and only one who ever got to experience that mouth. He's the first and only one Luigi is willing to submit to like this, mind, body, soul, Luigi is his.

His fingers tighten in Luigi's hair. Mine. 

He cracks his eyes open to look at him, heart nearly giving out from how breathtaking the view is. Luigi's face is looking almost blissful, eyes closed, lips wrapped around Mario's cock as he bobs his head.

He wants to do a good job, Mario knows. It's what he wants most in the world, Mario's approval, Mario's praise. It's both the sweetest and the hottest thing he could imagine. "Feels so, so good...no one does it like you, Lu..!"

Luigi moans against Mario, his fingers digging into the sheets and by the way he starts squirming, Mario knows the praise went right to his own cock.

Mario's hand is trembling as he pets Luigi's head, keen on making sure Luigi won't have any doubts. "My sweet...sweet little bro, what...what have I done right to...to deserve you..?"

Luigi whines against his cock, slipping down further and Mario throws his head back, his breath coming out in rapid gasps. 

"That's it...so good, so good for your big brother..!"

Luigi is starting to move faster and Mario can feel his eyes rolling back in his head. His entire body is tingling and he aches to grab Luigi's hair with both hands and thrust into that perfect mouth with all he's got. But that's not something they do, not yet at least.

Luigi wouldn't appreciate the thought, he doesn't like it when Mario treats him like he's fragile but Mario can't help it. His baby brother is his most precious. And besides...

He pushes Luigi all the way down on his cock, humming with approval at the surprised gagging sound. He knows very well that Luigi isn't all that fragile. 

"Woops. Sorry, Lu ~" He looks down at his brother with a slight grin on his face, hand still keeping him in place. Luigi's cheeks are flushed, his now dry hair a fluffy mess and his eyes are sparkling with tears, looking at Mario like he hung both the sun and the moon. The absolute adoration in his expression is almost too much to handle.

"Just can't get enough of that mouth." He doesn't want to loosen his grip yet so he reaches out with his other hand, gently running his fingers down a clammy cheek. "Fuck, let me look at you for second."

Luigi whines again but it's out of embarrassment this time. While he's getting better at accepting praise, he doesn't handle compliments regarding his looks too well yet. Another thing Mario is working hard on fixing.

"Gorgeous", Mario whispers, his thumb wiping away a lone tear streaking down Luigi's face. "My little brother's so, so gorgeous. Can't believe I have you all for myself."

Luigi closes his eyes at that, once more doing whatever he can to avoid eye contact. Mario doesn't like it, not one bit but he can tell by the subtle tremor rocking Luigi's entire frame that he's at his limit now.

Mario knows that if he wanted to, he could get away with a lot more than this, he could push and pull and take and Luigi would give him everything without a second of delay.

Luigi would do anything for him and Mario will never, ever take advantage of that.

He loosens his grip on his little brother's hair, carding his fingers through it and immediately Luigi relaxes, opening his eyes to give him the most devoted look he's ever seen on another person before going back to what he was doing, pulling almost all the way off of Mario's cock before going right back down, making good use of his tongue now too and Mario throws his head back once more, Luigi's name on his lips, his heart beating so fast it might just jump out of his chest. 

"That's it, Lu..!" He's starting to squirm now, feeling himself getting closer and closer, Luigi's own whines vibrating against his cock sending an extra wave of pleasure through him. "That's it, you're...you're doing s-so well..!"

His hand left Luigi's hair in favor of gripping the bed sheets instead. Trembling fingers find his wrist now, tugging almost desperately and Mario's heart feels like it's doubling in size when Luigi squeezes his hand as he intertwines their fingers. Sweet little Lu. 

Mario squeezes his eyes shut, feels his grip on reality slipping, too far gone to be able to warn Luigi properly. "Luigi, s-stop, I -"

His vision explodes in a flock of stars as he cums, the warmth of Luigi's mouth still engulfing him and only dragging it out. He arches his back without meaning to but Luigi doesn't budge, doesn't pull away, he stays right where he is, fingers holding tightly onto Mario's own as he laps up everything Mario is giving him.

Mario collapses back into the pillows, chest heaving as he pants. His gaze drops down just in time to witness Luigi swallowing audibly after pulling away and that alone is enough to make him feel like he's about to pass out. "Fuck, Lu."

Luigi gives him the sweetest little smile before licking his lips and Mario can't take it, he tugs at their intertwined hands. "Get up here, come on -"

Luigi chuckles when Mario makes grabby hands for him as soon as he sits up. He lets himself be pulled in Mario's lap, Mario's arms tight and warm and safe around him while Luigi makes himself as small as possible to hide his face in Mario's neck. 

Promptly, Mario starts showering him in kisses, making Luigi hum happily and cuddle closer. "Feel better?", he mumbles against Mario's neck, the teasing undertone in his voice overshadowed by the raspiness.

God, Mario loves him so much.

"Infinitely", he replies, moving his kisses from Luigi's head and face downward, nudging him to get access to his neck. He parts his lips then, the chaste kisses turning hungry and he can feel Luigi tensing up. 

"Ma-Mario..!"

"Hmm?"

"You...you were supposed to...to relax..!"

Mario smiles against Luigi's neck, hands roaming down his back, slipping under his shirt to feel the goosebumps all over his skin. "Not before saying thank you..."

"You just...did -!"

Luigi's words dissolve into a broken little whine. Mario has dived under Luigi's shirt, their difference in height working out in his favor when his lips close around one of Luigi's nipples.

Luigi's fingers curl in his hair above the shirt - Mario isn't sure when exactly he even put his hand there but he takes the involuntary encouragement either way, one of his hands leaving Luigi's back to pay attention to his other nipple as well, circling his thumb around just the way he knows Luigi likes.

Immediately, Luigi arches his back with Mario's name on his lips in the most desperate tone, his (unfortunately still clothed) backside pressing down against Mario's cock, already half-hard again. Mario exhales sharply through his nose, tongue swirling around Luigi's nipple, humming with approval when Luigi tightens the grip in his hair. He's sure his little brother isn't doing it consciously but any and every instance of him openly showing what he wants, Mario is going to encourage.

"Mario..!" Luigi is squirming in his lap, moaning and whining, clinging to him and it's driving Mario positively insane. "This...ngh, isn't...su-supposed to...be about me..!"

Mario promptly resurfaces from under the shirt, replacing his mouth with his other hand. "I'm not gonna let you go out of your way to help me feel better without returning the favor." He mouths at Luigi's jaw, fingers gently rubbing and pinching his nipples, relishing in the high-pitched little moans it draws from him. "What kind of a big brother do you think I am?"

"The best..!" Not even a second of hesitation on Luigi's part.

Mario groans, reaching up to take his face in his hands. "Lu, I swear to God, if you don't stop being so sweet..."

He kisses him, a shiver running down his spine when he's still able to taste himself in Luigi's mouth. He wraps his arms around Luigi's slender body, finally, finally working his sweatpants down. It barely takes any effort at all and Mario suspects that those pants might not belong to Luigi either.

He's starting to shift to lay him down on his back. Luigi would give him everything but so would Mario and since he's unable to gift him the stars, he's going to make him see stars another way. 

A whine of protest against his lips. Mario ignores it, thinks it's still about Luigi not wanting to accept his gratitude. But when Luigi's hands start pushing at his chest, he pulls back immediately, sitting up with Luigi still in his lap but his grip on him loosened, tight enough to be both comforting and not restricting.

His eyes are still hazy and he's blinking rapidly to focus. "Something wrong, Lu?"

Mario tries to recall any signs he might have overlooked, his stomach twisting into a painful knot at the thought of pushing Luigi too far without realizing. It's nauseating, Mario would never ever be able to forgive himself - 

Luigi leans down to press their foreheads together, their ultimate sign of affection and comfort, and Mario's stomach settles immediately. 

Luigi's hands move to his shoulders. "At least let me do the work."

Before Mario can process the meaning behind these words, Luigi is pushing him down to lay on his back. It knocks the air out of him, both literally and figuratively.

He blinks up at Luigi. Gorgeous, kind, wonderful Luigi and having him straddle Mario, looking down at him, it's a sight to behold for sure. His cheeks are deliciously flushed, his hair is marvelously tousled and his shirt - Mario's shirt, this is Mario's shirt Luigi's wearing - has slipped down because it's just so big on him, exposing his shoulder. He looks so cute it makes Mario ache. 

Luigi's eyes are wide and hopeful, head tilted to the side ever so slightly. "Please?"

The soft little plea goes both right to his heart and his cock. Funny how that works. 

Mario's hands move almost on instinct, coming to rest on Luigi's thighs. "Lu, you could ask for my kidneys right now."

That draws a chuckle from Luigi and causes his blush to darken. He leans down, pressing his lips to Mario's in a sweet little peck before sitting back up.

It's then that Mario remembers something important. "Hold that thought."

He turns his head and reaches for the nightstand, about to grab the small bottle of lube stored there but his wrist is caught by Luigi's fingers. Mario turns to look at him and no surprise there, Luigi's free hand is anxiously tugging at his shirt, gaze fixated somewhere on Mario's torso. 

"I may have...been hoping for...for something like this..."

And immediately Mario's mind is going haywire with images of Luigi leaning against the shower wall, wet hair plastered to his forehead, droplets of water slipping down his body while he works himself open, Mario in mind and Mario's name on his lips - 

One of his arms shoots upwards, grabbing Luigi by the collar of his - Mario's - shirt and pulling him down for a proper kiss. Luigi shrieks against his mouth in surprise but immediately complies, one hand cradling Mario's jaw while Mario's tongue maps out his mouth.

Luigi is squirming on top of him, their achingly hard cocks rubbing against each other, causing them both to gasp in each other's mouth. Mario can't take it, if they drag this out much longer he's going to have a heart attack and he's pretty certain Luigi feels the same.

Mario's hands grab at Luigi's thighs, pulling him further up his body, rewarded with Luigi whimpering against his tongue. His bare ass is pushing down on Mario's cock and Mario's muscles scream with need.

He reaches around Luigi with one arm, fingers wrapping around himself. Luigi stirs, he breaks the kiss with another sound of protest. "No, let me -"

Mario's other hand moves up to tangle in Luigi's hair, leaning in to brush his lips against his ear. "You've done so much already."

He shifts again, circling the tip of his dick around Luigi's entrance. He bites back a groan in favor of listening to the sound Luigi makes, somewhere between a gasp and a whimper and it sends another jolt of pleasure through him. 

Mario presses a featherlight kiss to Luigi's earlobe, nosing at his temple. "Relax and let your big brother handle this..."

He starts pushing in. Luigi makes a choking sound, his fists curling in Mario's shirt. Mario squeezes his eyes shut, hands back on Luigi's hips. It's intense, the urge to push all the way in, to take and take and own.

He resists. He always will.

Inch by inch, so slow that it's agonizing, Mario pushes Luigi down on his cock. Luigi's trembling as he clings to his big brother, face buried in his neck. His big words from earlier about doing all the work seem forgotten. 

Mario isn't complaining. Either way, the way Luigi responds to him is absolutely intoxicating every time.The only thing bothering him right now is not being able to bask in those delicious little whines.

"Lemme hear you, Lu." Mario rasps, nudging Luigi's face away from his neck. Luigi's face is beet red, eyes squeezed shut tightly, lips parted as he whines and gasps and gives Mario one of the most amazing views he's ever been fortunate enough to see.

Mario has pushed all the way in, fingers tight on Luigi's hips. It's been weeks, weeks and he's missed this, missed how tight and hot and perfect Luigi feels around him, the irresistible noises he makes, how responsive his body is. Mario is using every ounce of his willpower to stay still, to let Luigi adjust.

Luigi has worked up the courage to lean back again, the change in angle brushing his sweet spot and he chokes on another high-pitched moan. His fingers, still curled in Mario's shirt, are trembling from the tightness of his grip. "Ma-Mario..!"

Mario hums lowly. "You feel so, so good, Lu." He circles his hips once, a wave of heat shooting through him at the way it makes Luigi tighten around him, another needy little moan slipping from his lips. "Fit me like a glove."

He digs his fingers in Luigi's thighs, lifting him with ease and the fact that his little brother is light enough for him to do that is a different kind of rush, shooting through him alongside the sensation of his dick being engulfed by the tight heat of his body as he pushes Luigi down again.

The rhythm Mario sets is slow and gentle, igniting a cozy little fire in his stomach. He's watching Luigi come undone on top of him, voice breaking into absolutely desperate whines of pleasure.

So much, Mario loves him so much. He finds himself needing to be much, much closer to him than he is right now and starts sitting up, aching to wrap Luigi up in his arms and hold him close until they both reach completion. 

It's then that Luigi cracks his eyes open and in a split second, Mario is on his back again, Luigi's hands pressed flat against his chest.

Mario blinks, takes in Luigi's quivering form, beads of sweat glistening on his forehead and damping his bangs. His eyes are foggy but hold a very determined look. "Lu, what -?"

"My turn."

Luigi uses the position of his hands on Mario's chest to lift himself up, the unexpected sensation causing Mario to moan. Luigi does it again, and again, not only being the one setting the rhythm now, but making it faster, slamming down on Mario's cock harder and Mario can't be sure if he didn't simply pass out on his working desk and is dreaming all of this right now.

Luigi is an absolute mess on top of him, arching his back as far as he can without having to break pace, moaning and whining and whimpering Mario's name and -

"So g-good..!" He forces out between whines, hot and high-pitched and desperate. Usually when they're this far in, Mario's name is the most coherent thing Luigi manages to say anymore. New, new, very new, runs through Mario's mind, his heartbeat having doubled in speed, the cozy fire in his stomach now closer to a firestorm. 

Mario's hands find Luigi's wrists, needing somewhere, anywhere to touch while he looks up at him in amazement. He didn't think Luigi could surprise him anymore. He couldn't have been more wrong. 

Luigi cracks one eye open, meeting Mario's gaze and Mario's sure if he could've, he would've blushed even darker. "So good, so full..!"

Mario cusses under his breath and he can't take it anymore, he starts pushing his hips upwards in the rhythm Luigi set, meeting him half-way with every thrust.

He also wraps one of his hands around Luigi's own neglected cock, earning him another delightful little shriek. Mario can and has made Luigi cum untouched but he'll be damned if he won't at least try to pamper him somewhat after everything he's given Mario tonight. 

Luigi chokes out a breathless "Mario..!" before hunching over, still bouncing on Mario's cock harder than either of them is used to, his breath hot against Mario's ear. "Please...make me...whole..!" 

That's about all Mario can take. He arches his back as he cums, Luigi's name just as breathlessly on his lips, his free arm reflexively wrapping around Luigi, a death grip in his hair as he pumps him full.

Luigi's own release spills between their stomachs but Mario isn't stopping, he keeps thrusting and stroking all the way through their orgasms, until Luigi is a twitching, teary mess on top of him.

There's a long moment filled with nothing but matching gasps as both brothers try to catch their breath again. Mario is slowly coming back to reality, trying to process everything that has just happened. Meanwhile, Luigi has slumped against Mario, shaking all over. 

Mario wraps him up in his arms, holding him together, and holding himself together too. "Weegee." He nuzzles into Luigi's sweat-soaked hair, the faint memory of his shampoo making his skin tingle and his heart swell. "Sweet Luigi, perfect Luigi, my amazing baby brother, how are you even real?"

Luigi huffs but still buries his face in Mario's neck, obviously embarrassed. Mario can't bring himself to care this time, Luigi needs to hear this, he needs to understand and accept that he deserves the world.

"If I deserve the world, you deserve every galaxy out there", Luigi mumbles against him and Mario realizes that he's voiced his thought without noticing. "You at least relaxed now, big bro?" Luigi adds, half jokingly and half anxiously. 

"Relaxed? Relaxed?" Mario presses his lips to the top of Luigi's head in a lingering kiss. "I don't think I'll ever recover. Where'd all that come from?"

Luigi shakes his head and Mario is pretty certain he can feel him smiling against his skin. "Stop. I just...wanted to do something special for you."

"That was special alright."

"Mario..." 

"That image of you on top of me will be all I'm gonna be thinking about for the next year."

"Mario!"

Mario chuckles at his little brother's embarrassment. "I love you so much, you have no idea."

Luigi pulls away from Mario's neck at that statement, a sparkle in his eyes that's reserved for Mario only and the softest little smile on his lips. "I think I have a pretty good idea, actually."

They share another kiss, warm and slow, pouring all of their love in it and for what feels like the 100th time tonight, Mario's heart swells to a seemingly impossible size.

When they pull away, Luigi glances at the mess between their shirts and sighs. "I'm gonna need another shower."

Mario raises an eyebrow, reaching a hand out to get ahold of Luigi's chin. "How about a bath instead?"

Luigi blinks and seems about to go on another tirade about how baths are meant to be taken together - until he seems to realize that's precisely what Mario is getting at. His face lights up like a million stars and he wraps his arms around Mario's neck with the happiest little "Yes, please!" and Mario returns the hug just as enthusiastically, a fond chuckle on his lips.

Houses can wait. He's not going to let weeks pass again without spending any form of quality time with Luigi.