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Serizawa loves Sundays- specifically Sunday mornings. It's his and Reigen's only actual day of rest within the weekend, considering Reigen usually still has a lot of pent up energy from the workweek on Saturdays and chooses to exert it on errands, social gatherings, dates, sex- nothing that Serizawa is complaining about necessarily.
But Sundays bring about a different, more worn-out and pliant Reigen- a version of him that saunters lazily about the day, always smiling, always breathing deeply.
It makes Serizawa so grateful for the little things he has in life, because Reigen indulges in his free time like it's a luxury. He makes hot tea and fresh laundry and a clean studio apartment feel like small ecstasies, taking his time enjoying and savouring each and every one of them.
Serizawa would be a bigger liar than his partner if he said that he hadn't learned a thing or two about perspective because of Reigen.
Today, Serizawa has chosen to enjoy their Sunday morning in the same way- cross-legged on their futon, rereading an old manga, relishing the for-once functioning AC, and listening to Reigen hum in the shower.
And that reminds Serizawa of just one more thing he has to look forward to- clean Reigen.
There's two extremes to his boyfriend that Serizawa most prefers. There's long-day, pent-up, sweaty musk Reigen- the one that pushes Serizawa into bed and envelops him with heat and *scent* and rides him like theres no tomorrow and Serizawa loves that Reigen.
On the other end of the spectrum however is a completely different pot of gold- soft Reigen, clean Reigen. Reigen smelling like sandalwood and vanilla, his hair fluffed and cool to the touch, in a fresh pair of sweats and hopefully, if Serizawa is lucky, one of his own T-Shirts- Reigen with lotion on his legs and hands, Reigen with trimmed nails and a post hot shower flush to his face, eyes drooping with a smile that he only flashes when he's at his most comfortable.
That's the Reigen that has Serizawa's dick kicking in his shorts when he sees him walk out of the bathroom now, still drying his hair with a hand towel, his face sleepy and his body framed by the steam of the shower billowing out of the cracked door- because as embarrassing as it is to admit it, for some reason, seeing Reigen so happy makes Serizawa really horny.
Reigen grins at him fondly and tosses the hand-towel into their laundry bin.
“Hey big guy.”
God, he knows. Reigen knows what that does to Serizawa and he still says it, nearly every time- and Serizawa is no stranger to Reigen's keen eye for a tell- he himself knows that Reigen is onto his special interest in this version of him.
Reigen moves to sit next to Serizawa on the futon and Serizawa nearly dies from how hard he gets- he's suddenly suffocating from the intoxicating smell of Reigen's body-lotion and cologne, and he can't tear his eyes away from Reigen's collarbone peaking through Serizawa's own T-shirt, and he just knows that if he ran his hands across Reigen's neck and cheek his skin would be smooth as butter, freshly shaven.
And maybe he does, because Sunday mornings are Serizawa's luxury too, and right now the only thing he wants to indulge in is Reigen.
He sets the book down at his side and uses the movement of him grabbing Reigen's cheek to then pull him into a soft, smiling kiss, an action that Reigen doesn't seem partial to in the slightest. Reigen's soft, cool hands part, one resting on Serizawa's bicep while the other cups his neck, eagerly but lazily reciprocating the kiss.
They sit like that for a moment before Reigen's hand drops to massage Serizawa's thigh and the psychic shocks himself with the moan that escapes him from the pressure- he's nearly forgotten how worked up he is at the moment. Their lips part with a gasp and Reigen gives him a curious look before Serizawa presses his lips needily to Reigen's jaw.
“You smell so good, feel so soft ‘Taka.” He slurs, his hands leaving Reigen's face to wrap around his waist, exploring and prodding the long stretch of his torso as he laves his tongue lower down Reigen's neck.
Reigen shudders from the sensation and brings his hand to scratch softly at Serizawa’s scalp, sending shivers down the psychic's spine.
“Already so riled up,” the blonde gasps, seemingly attempting to maintain some semblance of composure. “-whats gotten into you?”
Serizawa scrapes his teeth lightly along Reigen's clavicle who yelps softly in response.
“You, please Arataka- I need you-” Serizawa rushes out in a gasp, lapping at the shoulder beneath his mouth and trying so hard not to bite- Reigen would give him flack for it considering tomorrow is a workday, and Serizawa is still a sucker for a good performance review.
“-I-I just got freshened up, I don't want to get all sticky again-”
Serizawa pulls back and readies his best attack, staring down Reigen's eyes desperately.
“Please, ‘Taka, I'll take good care of you, wipe you down and m-make sure I only come inside, please.” Serizawa gasps out before smacking his mouth shut, because even he can't believe where that came from, but he knows it's worked when Reigen suddenly squeezes his thighs close together, sucking his lip in to nibble at it.
“-g-geez.” Reigen stammers, his cheeks burning red. Serizawa shrinks into himself a little and starts to pull away.
“S-sorry that was- I didn't- I wasn't expecting to-”
Reigen, face flushed, suddenly clamps both hands on either side of Serizawa's face, stilling him, his eyes blown out with lust.
“D-Don't make a promise you can't keep.” He mutters simply.
The gears churn in Serizawa's head momentarily before everything clicks and it's all that he needs before he's pushing Reigen gently back against the bed and kissing him deeply. Reigen hits the sheets with a gasp that Serizawa swallows from his lips, feeling unabashed now, like Reigen's just given him the key to the fucking city. He pulls away to stuff his face in the crook of Reigen's neck and breath deeply, treating the blonde like a life source. That overwhelming scent of his soap and cologne hits him like a truck again and his dick throbs painfully.
“Fuck, ‘Taka-” he whimpers, grinding his clothed dick into Reigen's insistently causing Reigen to squirm and shudder beneath him. “-W-want you so, so bad, so perfect-”
He feels the blonde’s hips jump beneath him in response, ever-susceptible to the praise (although Reigen would never admit it). Serizawa brings his hands shakily to Reigen's hips and dips his thumbs into his sweats, glancing up at him with about as much patience as he could possibly muster.
“C-can I? Please?” He begs, and Reigen, who quite frankly looks just as wrecked as Serizawa all of the sudden, practically sobs in response.
“Y-yes, Katsuya, please, hurry up-”
Serizawa hurriedly yanks Reigen's pants down, taking his boxers with them and reverently pets the soft hair on his thighs, sighing shakily like he was fulfilling some kind of innate psychological need.
Reigen's hands are twisting and clutching at the sheets beneath him, his thighs pressed tightly together still which simply won't do, because right now it feels offensive that anyone but Serizawa gets to please Reigen, even if it's Reigen himself.
Serizawa uses his trembling palms to press Reigen's legs apart, baring his slick cunt and twitching clit, already so soaked that it's left his inner thighs glistening. Reigen, seeming embarrassed all of the sudden by Serizawa's forwardness, hides under his forearm, panting wildly and sporadically shivering with need. Serizawa can see from where he sits that the flush that once started on Reigen's cheeks has spread all the way down his neck to his chest, one of his shoulders peeking out of the wide neckline of Serizawa's shirt.
“Arataka, please keep your hands at your sides, I-I need to see you.” Serizawa gasps, admittedly sounding a little more demanding than he'd intended.
Reigen hesitantly brings his arms tightly down to rest on either side of him, revealing that his lip is tightly tucked between his teeth, swollen and pink. Everything about him is contrasting perfectly with the white bedsheets beneath him- the flush of his skin, the golden silk shine of his hair, and his eyes, nearly black with lust, staring down at Serizawa like he could somehow need him more than Serizawa needs Reigen.
“Good- So handsome, ‘Taka, thank you.” Serizawa praises, leaning down to kitten lick at his clit, and he's not sure if it's the contact or the compliment that has Reigen crying out, but right now it doesn't really matter as long as Reigen's feeling good.
Grasping at his thighs for purchase, Serizawa stuffs his face into Reigen's need fully, nosing at his clit and lapping at the slick pouring from his folds like a dying man. Reigen shuddered and bucked, but Serizawa made sure to keep his control at a distance, pinning his hips to the futon and freeing Reigen of any need for effort.
“’Ts-’Tsuya- ah-!” Reigen babbled uselessly, jerking in Serizawa's grasp as the psychic moved from mouthing at his lips to sucking gently at his clit. He takes his thumbs and massages the dips in Reigen's pelvis, sighing at how his fingers glide over Reigen's soft, moisturized skin.
“Hmmgh-” Reigen's eyes roll back from the onslaught of ministrations and his head flops back, his body twitching from stimulation, weak gasps escaping his lips. His freshly washed hair is now mussed, tufts sticking every which way from the static of the pillow- he certainly won't be happy about that either, Serizawa better be sure to make this a good time.
The psychic would really like to get a finger or two inside of Arataka as soon as possible, but he's faced with the dilemma of needing to keep Reigen's hips tethered to the bed- he displaces a little bit of aura around Reigen's pelvis and that seems to do the trick, but now with every upward twitch of the blondes hips against his aura, Serizawa feels a little resistant tug down his spine. Serizawa smiles at Reigen's restlessness, for once grateful that it's been brought upon by gratification rather than anxiety.
When he finally reaches down to timidly part Reigen's lips with two fingers, Reigen keens.
“Ah-are you t-teasing on purpose?!” He yelps, and Serizawa blinks innocently up at him.
“Patience Arataka, I'm admiring. Besides…” he punctuates the pause with a finger pressed gently to Reigen's hole, causing the other man to gasp and jerk against the aura pinning him.
“-I know you like it.”
He slides his finger in gently and Reigen whines, winding his fingers into the bedsheets before shooting dagger-eyes at Serizawa.
“Uhn-! W-when did you get so forwa- Ah-!” Reigen yelps helplessly as Serizawa curls his finger from inside of him, prodding at his g-spot and decidedly shutting Reigen up entirely.
“I had a good teacher.” Serizawa responds simply, working in a second finger and watching in awe as Reigen let out a near-pornographic groan.
It was at that moment he realized he probably wasn't gonna make it much longer, becoming acutely aware of the painful throbbing in his dick once more. While continuing to finger him, he slips further up Reigen's body until his lips are inches from his ear.
“’Taka, Id like to fuck you, would you like that?” He asks simply, and it jostles Reigen's composure further, the blonde hiding his face in his arm once more with a shaky whimper.
“Ts-Tsuya- hmmnn-”
Serizawa prods further, his lust making him starkly bold.
“Do you want me to come inside of you, Arataka?”
Reigen sobs at the sound of that, nodding furiously.
“Y-Yeah- yes, please- please Katsuya I do-”
It's not often that Reigen is the one begging between the two of them, and while Serizawa would love to play the clock out to hear a little more, he's going a little stir crazy. He kisses Reigen's temple as a way to placate him before sliding his fingers out slowly. The blonde huffs sadly at the loss but is quickly rejuvenated by the sight of Serizawa slipping his shorts and briefs down in one go, his cock springing out ready as ever.
Serizawa lines himself up, using some of the slick still on his hands to lube his cock before leaning back forward to swallow Reigen's gasp with a kiss as he pushed in slowly. Reigen clenched desperately around him and Serizawa was forced to break the kiss with a wet groan, pulling out slightly before shoving back in a little faster, squeezing another keen out of Reigen's throat.
“Ah- K-KatsuyAh-!” Arataka throws his arms around Serizawa's shoulders to clutch desperately at him for purchase, his legs scrambling beneath them.
Serizawa is completely gone, consumed by everything Reigen- his voice, his body writhing in Katsuya’s shirt, his face flushed and sweat-slick- nothing else matters to him, this is his only luxury.
“’T-Taka, so perfect. You feel so good- uhn-” He weakly groans, bucking up into Reigen at a new angle that had the blonde twitching violently.
“F-Fuck! T-There ah-! T-Tsuya! Right there, please-”
Serizawa presses a deep kiss to the side of his neck, breathing in the smell of him deeply.
“Do you like that? I-is this good, Arataka?” He beckons softly, bringing a shaky hand up to brush a strand of hair out of Reigen's face fondly.
“’K-Katsuya I-I- ah- Im close, I-Im so close, please-”
Serizawa presses a wet grin into his cheek, bucking faster up into him and pulling another shout from the blonde. When Reigen clenches down on him again suddenly, his legs buckle slightly and he groans low.
“Ah- f-fuck, gonna fill you, ‘Taka- s-so good-”
Reigen's gone nearly limp, his body trembling from being so close to the edge, and Serizawa knows he's nearly there.
“P-please, please please please-”
The begging does it- Serizawa comes with a yelp, tucking his face into Reigen's shoulder and pumping him deep- a few seconds later he gasps at the overstimulation of Reigen clamping down on him as he too reaches his peak, spilling around Serizawa with a silent shout. Serizawa coaxes the two of them through their orgasms, rutting his hips softly until he feels Reigen still beneath him. He pulls away with a worried look only to see that the blonde is half-asleep, a pleased smile on his face.
Suddenly it's the soft Reigen he started this with all over again.
Serizawa smiles, giving Reigen's temple a small peck before collapsing beside him, allowing his softening cock to slide out which inevitably stirs the blonde awake.
“Hah… h-holy shit.” The blonde gasps, slapping a palm to his forehead- Serizawa chuckles at the dramatic display and nestles in closer to Reigen, kissing his burning shoulder with a sigh.
Reigen smells like sandalwood, and sweat, and vanilla, and sex, and if Serizawa wasn't already spent, it'd probably have him up and at it again- but for right now he's perfectly content just soaking this in.
They sat there in silence for a moment, catching their breaths until the only sound left in the room was the AC clicking gently against the wall.
Reigen shifted slightly but suddenly let out a displeased groan, which willed Serizawa to look up at him in concern. The blonde had a grimace twisted into his face.
“I-I just felt your cum drip out of me.”
Serizawa shuddered and then winced, because there's no reason that should do so much to him when he's already this tired, but somehow it does.
Not wanting to push Reigen any further however he quickly swings upwards, using his powers to float a hand towel under the sink water and then across the room into his hand. He spreads Reigen's legs again and forces thoughts of homework and difficult clients into his head to distract his dick from the sight of his own spend leaking from Reigen's folds, of which he quickly wipes up before tossing the hand-rag into the wash bin.
When he meets Reigen's eyes once more, the blonde is already staring at him reverently, his arms folded comfortably in front of his chest while he flashes an adoring grin at Serizawa. The psychic exchanges a smile of his own, sliding back up the bed to kiss Reigen softly on the lips, brushing a strand of hair out of his face.
When they part, Reigen smiles cheekily.
“I'm assuming I shouldn't change my cologne for the time being?”
Serizawa pinches his side affectionately and Reigen jerks with a startled yelp.
“Just keep taking care of yourself ‘Taka, please.” Serizawa pleads softly, soothing Reigen's side as an apology.
Stunned, Reigen blinks up at him.
“I-Is that really it?”
Serizawa chuckles sheepishly and scratches the back of his head.
“It just… makes me happy to see you so happy.” He replies dumbly.
Reigen chokes and it's a telltale sign he's stifling a sob. He glances away from Serizawa and stoically nods, pulling the two of them to lie back down on the bed side by side.
It's not often that Reigen allows himself to lay down for a nap, but today must be one of those lucky days, because he chooses to stare at Serizawa earnestly and silently where they lay, his eyes slowly drooping with each passing minute until he's fallen gently asleep, Serizawa petting his hair through it.
Serizawa thinks, just like always, that he's lucky- very lucky, to get to be apart of Reigen's Sunday routine.