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Despite the jubilant ruckus of the night’s festivities continuing out in the courtyard, their footsteps echo loudly as they rush through the castle’s corridors. Katsuki’s foot gets tangled between Shouto’s ankles again and he swears. His own bodily instincts and the strong arm that catches him under the armpit are all that save him from the stone floor and a bloody nose. Shouto’s low giggle tickles his ear as he straightens up enough to keep leading them to their destination.
Quite out of breath by the time they reach the large wooden door of their bedchamber, Katsuki flicks a wrist at his guard. The woman’s eyes are wide, body language flustered at this novel sight as she hurriedly opens the door and steps aside. As if not mortifying enough, his inebriated husband loudly whispers “we apologize in advance for what is about to happen behind these doors, good knight.” Katsuki shoves him through the doorway.
The door closes with Shouto’s weight as he leans back against it, cheeks ruddy and lips curved in the most infuriating smile. Katsuki wastes no time, crashing his mouth into Shouto’s. It earns him a gasp and a hand fisted in his hair. Katsuki locks the bolt with a loud clang that reverberates through the room.
Lips and tongue and teeth collide in their urgency and Katsuki moans as his husband uses his height to deepen the kiss in an angle that has him tilting his face upward. He can’t decide if Shouto’s tongue is hot or cold or both as he licks the backs of his teeth, swirls around his tongue. Katsuki’s hands stay fisted in the front of Shouto’s tunic that’s quickly dampening from the night’s humidity and the heat building between them.
Only when they’re starved for air do they part, panting heavily. Fuck, fuck. Things have escalated pretty quickly over the course of the evening. Katsuki needs a moment for his mind to catch up to his body.
He unclenches his hands and smoothes out the wrinkles he’s created on Shouto’s blue tunic. The material is thin, almost see-through, made of fine Redlands cotton. The swirling embroidery is that of Shouto’s people from the Northern Isles, coiling intricately throughout the fabric. Katsuki finds himself staring at the expanse of skin that’s revealed by the deep V neck, tanner now than when they first met.
“Katsuki?”
Shouto is smiling softly when he looks up, lips red and kiss-bitten, cheeks flushed from the drinks they’ve had throughout their anniversary celebration. His eyes are aglow with untamed emotions. Katsuki’s breath hitches. He holds the gaze, relishing the feel of Shouto’s hand petting his hair before grazing down the back of his neck. The touch urges Katsuki forward again and they kiss, this time something meeker, more careful.
Tonight, they have already traversed a considerable distance of this uncharted territory. Shared moments and feelings and touches Katsuki never expected to share with Shouto in their marriage. All things he’d quite indifferently accepted he would never experience when they’d forged their union in favor of their kingdoms.
But now they’re here, on the cusp of venturing even further into this unknown together, into a relationship, one year into their marriage. It’s happening so fast and sudden, emotions he’s never really faced before rising to the surface. Duty and responsibility make sense to him, come very easy. But this…Katsuki feels a little disoriented with it all.
“Are you okay, my love?”
My love.
Even that is new. Comforting yet still foreign. He’s Shouto’s love now, not just his husband.
“Need a quick water break, s’getting hot,” he murmurs, seeking a quick reprieve. He needs to piece together the words to describe the, frankly, inconvenient mix of emotions.
Shouto’s gaze searches his face and Katsuki’s not sure what he sees there but his mismatched eyes soften. Shouto’s hand trails down his neck, his shoulder, his arm, to finally loosely link their fingers. A choice: to step away and take some space or still keep Shouto close.
Katsuki doesn’t have to think twice. He turns, fingers closing tighter around Shouto’s own as he tugs him to his side of the bed where a gold tray sits with a fresh pitcher of water and a chalice. Shouto obediently follows.
The water is cool and refreshing, greatly clearing Katsuki's muddled head. He chugs the whole thing down and refills it, all one-handed, then holds it out to his husband. Shouto takes it slowly, watching Katsuki as he delicately drinks and then licks his lips. He’s sure it’s not meant to be enticing, Shouto’s just assessing the situation—but it’s enticing nonetheless.
Katsuki has to sit down.
Shouto’s gaze follows him, to their still-linked hands, and back to Katsuki’s face. He sets the chalice down on the tray with a plink.
“I think I’d rather you speak your mind than me try to make any assumptions about what you’re thinking,” Shouto says quietly. The bluntness of the words feel like a sharp prod between the ribs and Katsuki winces but the tone was nowhere close to harsh. This is just Shouto.
That’s right. It’s just Shouto. The same cheeky fucker who he’s gotten to know over the past year, who has become more than just his royally arranged spouse. He knows Shouto, and this is just a step further into getting to know him more intimately. Not for duty, but for love, the feeling that outshines everything else in his chest.
Katsuki looks up, parting his knees for Shouto to step between. Their positions flipped from earlier tonight, right before Shouto had tugged Katsuki onto his lap, made his heart pound in his chest, then kissed him.
“This shit is just…new,” Katsuki says, trying to figure out what he wants to even say.
Shouto’s smile eases his worries a bit. His hands are on Katsuki’s shoulders, feather-light. Katsuki wants him to go back to being less careful and more bold, borderline demanding. But he’s the reason for the little pause so he can’t complain.
“I know,” Shouto says. A small crease forms between his brows. “I understand that this is very…abrupt. I know we’ve gotten closer as friends but perhaps I am rushing this.”
Katsuki’s already shaking his head, squeezing Shouto’s waist. “You’re not the one who dragged my ass back to the castle just because watching his husband dance with absolutely no rhythm turned him the fuck on.”
Shouto chuckles, cupping the side of Katsuki’s neck, thumb caressing his pulse point. “But I think I’ve improved, no? Better than our wedding night?”
“Yeah, I’m not sure about that, Prince I’ve-got-two-left-feet.”
Shouto’s eyes widen in alarm as he looks at his own feet in confusion. Katsuki snorts a laugh, pinching his side and making Shouto yelp. They both grin and all the prickly nerves begin to give way to something warm and fuzzy.
Katsuki pulls his bottom lip between his teeth and runs his hands down lightly over the curve of Shouto’s ass. Watches in real time as Shouto’s pupils begin to engulf the pretty blue and grey of his irises.
“Maybe we should be of clearer minds before doing anything more,” Shouto suggests quietly.
“I don’t think the alcohol’s clouding any judgement on my end,” Katsuki assures. “D’you wanna stop?”
Shouto shakes his head.
“I want you,” Katsuki tells him in a low voice. “That I’m fuckin’ sure of, Shouto. Maybe this is a little sudden but also…it’s not. I think I’ve wanted you for a while but didn’t let myself think it. Didn’t feel right to, knowing the deal we made.”
Shouto nods, gasping softly as Katsuki squeezes firmly.
“I understand, I feel the same way,” Shouto murmurs, gently threading a hand through Katsuki’s hair. “But you have me now, I promise. More than just as a friend and more than just as a husband. I’d like to be even closer to you.”
Katsuki grins, leaning into the soft scratches against his scalp. “Fuckin’ hell, we’re doing this all backwards, huh?”
“Sure. But that doesn’t mean it’s wrong.”
Gods, he loves this man.
“One more thing,” Katsuki breathes, just as Shouto’s mouth swoops down to claim his lips. Stops short to hover an inch from Katsuki’s to let him speak. “I know I said this is all new,” Katsuki says, briefly wondering why he feels the need to even share this right this moment. But he wants Shouto to know. “And it is. New. But not just with you. And it’s not just the feelings.”
Katsuki watches as the realization dawns on Shouto. His eyes go big in genuine surprise, mouth parting, but he quickly schools his features back to a pleasant neutral. Katsuki’s not offended by the reaction. He ain’t embarrassed or insecure either, it’s just a fact. He’s not their people’s best warrior and the goddamn king by fluke. No. He’s worked his ass off to get here, and that just meant he sacrificed a few things on his way to the top.
“You’re a virgin,” Shouto says softly. His expression is unbearably fond and eager. It makes something flutter in Katsuki’s belly.
“Mm’yeah. You’re my first, princess. Think you can handle that?”
Their gazes remain locked until the last possible second as Shouto closes the gap. The kiss is slow, oh so fuckin’ slow, as Shouto tacitly offers his reply to the question. Katsuki moans when his bottom lip is sucked on, the noise wet, and then his lips are easily parted with a skilled tongue to enter his mouth. Hot, cold, and everything in between.
Feeling the way Katsuki’s body responds to the languid and sensual kisses, Shouto begins to ramp the heat back up to what it was before. Katsuki stays toe to toe with him, touching and grabbing as he pleases, Shouto now pulled onto his lap. A playful bite to Shouto’s cheek has him gasping in surprise and Katsuki grins. And then he’s tackled.
Katsuki falls back onto the mattress, laughter bubbling up as he meets Shouto again and again, kiss for kiss. He tightens his hold, relishes the feel of warm skin and solid muscle as he skims his hands up under the back of Shouto’s tunic. He may be inexperienced first-hand, might even admit to some first-time jitters. But that doesn’t mean Katsuki doesn’t know what he wants.
“How–how much of this is new for you?” Shouto asks in the next breath they take.
Katsuki tilts his head as Shouto’s mouth begins to wander before replying. “All of it.”
A kiss to his ear. “Even the kissing?”
“Wha—no, not the kissing.”
Another, just behind the shell of it. “Touching?”
“Some touching, I’ve—shit Shouto.”
Katsuki’s getting hard fast, and Shouto’s teeth are now sinking into the sensitive skin under his jaw. His thoughts are turning to mush yet Shouto continues to ask questions, to gauge where he’s at. Something Katsuki appreciates and finds frustrating all at once.
“Do you know how you like to be touched?”
“I—maybe, kinda, not really.”
“You’ll tell me if you don’t like something?”
“Yeah, yeah, I—hah.” Oh, that bruise is going to be difficult to hide.
“Good?”
Not that Katsuki plans to hide anything. “Fuck, yeah.”
“Are you a little nervous?”
“Y-yeah.”
“Good nervous?”
“Yeah.”
“Katsuki, has anyone sucked your cock before?”
Holy fucking shit.
Katsuki stammers for a response and finds none, gasping and arching into the palm that cups him through his too-tight trousers. Shouto’s face is flushed and elated as he emerges from sucking another purple mark over Katsuki’s left collarbone.
“No,” he croaks out. “Fuck.”
Shouto watches him carefully as he presses a kiss to his sternum, then again an inch lower. Alert for any signs of discomfort or uncertainty but Katsuki feels none of that. He holds the back of Shouto’s head and tracks the trail of wet kisses down his body with bated breath. When Shouto dips his tongue into his naval, Katsuki almost jumps out of his skin; the sound he makes is pretty embarrassing.
But then Shouto is peppering careful pecks along the line of hairs to just above his waistband before dropping to the floor.
“Sit up for me?”
Katsuki obeys, though a little belatedly, arms propping him up. His body flashes hot at the mere sight of his husband like this: on his knees between Katsuki’s legs, looking up through half-lidded eyes that are shone with pure desire. While Katsuki may be the one looking down at him, he knows for a fact that he is the one completely at the other’s mercy.
And hell is he glad for it.
“You look good like this,” Katsuki’s voice comes out hoarse.
“You think so?” Shouto smiles impishly. “Is it because you finally get to be the taller one?”
“Fuck off,” Katsuki huffs a laugh.
“Mm, not likely.”
Katsuki licks his teeth as Shouto carefully slips off his decorative sleeves one by one, then gets to work on the fastenings of his trousers. He glances down at the long elegant fingers deftly undoing the knotted drawstring. His hips lift of their own accord when Shouto tugs down on the waistband. Before he knows it, Katsuki’s royal garments have been set aside and he’s bare to Shouto, his hard cock bobbing between them.
A second passes, then a few more, as Shouto simply stares at the length of him. Katsuki’s never been self-conscious of his body in any capacity; some might even call him just short of vain when it comes to his appearance. He’s worked for this, his body a temple to the power he holds within. But Shouto’s curious and imploring gaze has him squirming a bit.
“You just gonna stare at it or you gonna suck me off, princess?” Katsuki grimaces as soon as the words leave his mouth.
But Shouto doesn’t seem to mind. He looks up with that twinkle in his eyes again. “Just admiring you in all your glory,” he says. “There’s a lot to look at.” Fuckin’ hell. How does he just say that with a straight face?
“You like what you see, then?” Katsuki asks, hoping he sounds more seductive.
Shouto eyes him again, this time taking him in hand, making Katsuki groan. Shouto strokes him lightly, his eyes following the motion. Katsuki swears aloud when a bead of pre-cum forms on the tip, eyes fixed on the man making him lose his mind as he catches the drop with a thumb. The moan he lets out is entirely involuntary when Shouto leans in to suck it off, the edge of his lips just brushing against his cock.
“I do, very much” Shouto answers, licking his lips, all coy and fucking infuriating. But Katsuki can’t remember what question he even asked. It would be a miracle if he could remember his own damn name. And they’ve barely started.
Oh gods he married a demon.
Deciding he’s ready to put Katsuki out of this specific misery, Shouto finally wrapped his lips around the tip. Katsuki sharply inhales a breath and holds it, both watching and feeling the way Shouto’s tongue swirls around. And when he sucks, cheeks hollowing in time with the warm suction nearly sending Katsuki over the edge. Nearly. The only thing that stops him is Shouto’s fingers tightening the ring they form at the base of his dick, keeping him in check.
“Shitshitshitshit,” is all Katsuki can manage when Shouto does it again. Throws his head back and fists his hands into the sheets.
Shouto pulls off briefly with a lewd pop. “Okay?”
“I don’t think ‘okay’ is the word to describe this,” Katsuki laughs, breathless. Shouto grins, running his free hand up and down Katsuki’s thigh.
A sudden wave of fondness strikes Katsuki so hard. Has him reaching out to cup the side of Shouto’s neck, thumb caressing the lower edge of his scar. Shouto’s eyes flutter at the touch and he leans into it, turning enough to kiss his palm.
“Don’t take your hand away,” Shouto murmurs, “I like it when you touch me.”
Katsuki’s heart spills over at those words.
“I ain’t goin’ nowhere.”
Shouto takes him in his mouth again, a little further before pulling back to the tip. He repeats the action again and again, sinking deeper with each bob of his head, setting a rhythm along with his hand that covers the rest. When Katsuki hits the back of his throat, he instinctively grips the back of Shouto’s hair as a warning. One that’s not heeded even as Katsuki’s hips jerk up and make him gag.
“Fuck—sorry I—”
Shouto doesn’t stop though. He sinks down again without hesitation, moaning as Katsuki’s hand tugs at his roots.
There are tears at his waterline, spilling over as he purposefully chokes on Katsuki again, swallowing around him. The kohl that Katsuki had painted around Shouto’s pretty eyes beginning to streak down his pink cheeks and fuck. He likes it. The sight of him staring up at Katsuki like this, a line of spit trailing down to his chin, lips stretched, and—
“Shouto, I’m—“
That’s all that Katsuki manages before his body goes taut. Every muscle in his body contracts and his mind blanks out. He comes hard, right down Shouto’s throat squeezing around him and taking every drop.
The obscene slurp feels distant as Shouto pulls off, wiping his mouth with the back of his forearm. He peppers kisses on the inside of Katsuki’s thighs, his knees, as he comes down. Katsuki’s hand is loose in Shouto’s hair now, and as his senses trickle back in he tugs once again, more gently this time. Shouto rises to meet him easily, climbing onto him.
The taste of himself in Shouto’s mouth is not as vile as he might have thought. Shouto hums against him, kissing him leisurely as he shoves Katsuki back down onto the mattress. Shouto’s hard against his hip but neither do anything about it just yet. Katsuki appreciates the patience that allows him to simply process and…appreciate.
“Holy fuck, Shou.”
Shouto smiles sweetly, a contrast to what he just did to Katsuki mere seconds ago.
“I’m guessing you liked that?”
Katsuki barks a laugh, breathy and light. His head is in the damn clouds.
“Yeah, I fuckin’ think so.” Katsuki shakes his head, running his hands up Shouto’s tunic again that’s damp with sweat. “The hell are you still dressed for anyway? Take this shit off.”
At the insistence Shouto obliges, sitting up so Katsuki can unabashedly watch him undress. Katsuki can’t hold back from skimming his hands up along the solid abdominal muscles and soft skin as it’s revealed. Shouto shivers as Katsuki teases a nipple, arching into the touch as he tosses away the tunic. He stands briefly to slip off his trousers and innerwear and then he’s back on Katsuki, lips claiming his like it’s second nature by now.
They both groan as skin slides on skin. It’s almost too much, having so much of Shouto touching him at once. Gooseflesh prickles all over Katsuki at the sensation of the chilly warmth pressing down on him—not from Shouto’s magic but just from the layer of sweat coating his heating body.
Katsuki can’t get enough.
There’s so much to touch and explore. He wants to watch as he does so but can’t seem to peel his mouth away from Shouto’s lips and jaw and neck. Fuck he wants more. There’s a primal craving for Shouto that’s rapidly consuming Katsuki and he wants to give in. Wants to take. Because Shouto’s fuckin’ his.
Wrapping an arm around Shouto’s waist, Katsuki tips them onto their sides. Swallows the long, sweet moan that Shouto lets out as his hand wanders to his ass. The moan takes the shape of his name the moment Katsuki parts him and pushes a finger against his tight hole.
“S’this somethin’ you like, mm?” Katsuki asks even though the answer is evident on Shouto’s pleasure-pinched face.
Shouto nods fast. “Yes, yes, I—” He keens as the tip of Katsuki’s finger breeches him. “The–the oil’s on my side of the bed.”
Katsuki raises his eyebrows and crawls over to peek over the edge. It’s odd to think that he’s never actually been on this side of the bed at all. Has just been determined to make sure Shouto always felt secure and comfortable in their arrangement. Had his space and privacy. When Katsuki opens the single ornate dresser drawer, he sees that his husband really has kept himself…comfortable.
Grabbing the glass bottle of oil nestled amongst his other things, Katsuki rolls back down with a blush and a grin.
“Seems like you’ve kept yourself satisfied without me,” he teases, though there is some guilt that jabs his ribs. He knows the terms of their marriage was mutual, he knows. But still, as Shouto’s husband Katsuki would have liked to be the one to provide everything he needed. But that can start now.
Shouto, however, seems unbothered and takes the teasing with grace. He smiles, his eyes locked on Katsuki, glinting with excitement as he scoots himself up and over to the center of the bed.
“I like to feel good,” Shouto says with a casual shrug of one shoulder. “And sometimes it gets boring when you’re stuck in meetings and I don't have you around to poke and argue with.”
Katsuki chuckles, so, so fond of this fucker. He smacks Shouto’s leg playfully then sits back on his heels to just look. Two sets of feather pillows now piled under his head, his husband lays stretched out before him. A goddamn work of art.
Despite the blush painting his cheeks, Shouto exudes nothing but confidence as he lets Katsuki take in his fill of him. The flickering candlelight flooding their chamber makes the sheen of sweat covering his lithe body glisten and gleam. Katsuki’s heart thunders as he watches Shouto run his own hand down his chest and stomach, down past the red-and-white trail to touch his hardening cock.
Katsuki sucks in a breath, watching him stroke the length from root to tip then back down to brush over his balls.
“Show me,” Katsuki’s mouth blurts out before his brain can catch up. When it does, he holds out the oil.
Shouto considers him for a moment and then takes it. The rapid pulse flickering in the hollow of his collarbones is the only indication that he’s just as affected by this.
“You just want to watch? Don’t want to touch me?” Shouto asks cautiously but Katsuki’s shaking his head already.
“Fuck, no–yes. No. Oh, I’m gonna touch you and kiss you and fuckin’ hell, sweetheart I wanna be inside you. But shit—you look so hot right now and I just wanna know how you like it. And I—” Katsuki feels sheepish. “Yeah, I wanna watch ‘cause have you seen you?”
Shouto seems more than satisfied with that answer. “I have,” he responds in amusement, pouring the oil onto his fingers. He reaches down, drawing one knee up while the other falls to the side. “I do this in front of the mirror sometimes.”
The combination of the image in his head and the one before nearly ends Katsuki right there and then.
“You’re gonna be the death of me, princess,” he chokes out, squeezing Shouto’s ankle as a lifeline.
A soft laugh and then a gasp that melts into a moan.
Katsuki can’t decide where he wants to look. Shouto’s face alone is something to behold as it tips up in pleasure. His mouth hangs open, breaths turning into shallow pants as his finger works between his legs. Katsuki immediately shifts his gaze down.
He groans at the sight of Shouto’s entire middle finger deep inside his hole. The finger drags out then back in once, twice. Shouto clenches around himself and then begins to work his index finger in with it.
“Shittt.” Katsuki’s dick is half hard already just with this. Just by watching. “Feel good, Shou?”
Shouto crooks his two fingers and arches when he easily finds that sweet spot. “Ahh, yesyes.”
Katsuki swears some more when Shouto’s free hand comes up to pinch his own nipple, hard. Shouto’s eyes flutter closed and the hand ghosts down his belly and hooks behind the bent knee, opening himself up further.
Two fingers turns to three and now Katsuki’s squirming in the spot he’s pinned himself to near Shouto’s feet. Fingers fucking into himself, the sound so filthy, for Katsuki’s viewing pleasure and most importantly for his own. Because he likes to feel good and Katsuki thinks that’s the hottest thing he’s heard someone say.
Alright, that’s enough watching.
Leaning forward, Katsuki presses a wet kiss to the inside of Shouto’s knee. Lets his hand roam from ankle to calf as he sucks a bruise a little higher up. Shouto’s breath shakes but he doesn’t stop, using his fingers to massage that spot inside him while Katsuki joins back in on the action.
“You look so damn good,” Katsuki growls, sinking his teeth into the plush skin of Shouto’s inner thigh. It earns him a surprised shout and Shouto groans, his cock bobbing fully hard against his stomach.
Katsuki grins, emboldened by the reactions he’s eliciting. By the assuredness that Shouto has in being this open with Katsuki, this intimate. And by the undeniable desire in the way Shouto looks at him.
“Wanna help you,” Katsuki murmurs, reaching between Shouto’s parted legs. Shouto’s hand stops and before he can pull out, Katsuki slides in one of his own, stretching him further, wresting out a guttural moan.
Katsuki moves closer, half hovering over Shouto now with one hand braced near his hip. He encourages Shouto to pick his rhythm back up again, to guide him along. Gods he’s so warm inside, so wet. Katsuki’s in awe of the sensation of it, so fucking turned on. How the hell is this real right now?
“O-One more,” Shouto gasps and Katsuki’s eyes widen. “Please, Katsuki.”
It feels…impossible. With four fingers, Shouto’s stretched tight. One more would hurt him, right? And that’s the last thing Katsuki wants to do.
“Please. Please, another. I can take it.”
Shouto looks like he’d be more hurt if Katsuki didn't give him what he’s asking for. He’s begging for it, holy hell.
Eyes still wide and hand almost trembling, Katsuki works another finger past the taut rim. He grits his teeth, unsure and yet so eager to please, to give his husband everything. Shouto whimpers, body shuddering as Katsuki manages to push past the second knuckle.
They’re both panting hard and it takes a moment for Shouto’s glazed eyes to find his.
“You are fucking gorgeous,” Katsuki whispers, crooking his fingers rhythmically with some effort like Shouto had been. The action pushes Shouto’s own fingers to curl, to rub against that spot once again. On a whim, Katsuki simultaneously ducks down to lick the small pool of pre-cum collecting in a divot above his naval. The tip of Shouto’s cock twitches against his chin and so he dips down and takes it in his mouth.
He copies Shouto, sucking lightly and hollowing his cheeks. And that’s it. Shouto shatters under him, coming with a shout. Back arching off the bed and hand scrabbling for purchase in Katsuki’s hair. The sharp tug stings wonderfully.
Some of Shouto’s cum lands on his tongue but the rest splatters against his own stomach when his hips jerk up. Katsuki swallows it down, the tangy-bitterness not exactly his most favorite taste. He hesitates for a moment, considering if he wants to lick the rest off of Shouto. It seems like the erotic thing to do but—
Shouto urges him up to his mouth by the back of his neck and Katsuki hums in pleasure and mild relief. Maybe it’s something he’ll get used to later, maybe not. Doesn’t fuckin’ matter right now.
“That was so good, you were so good,” Shouto slurs into his mouth, kissing him sloppily, breathing hard. Katsuki licks into his warm mouth, the backs of his teeth, slides their tongues messily. Shouto’s head lolls to the side when Katsuki moves to his jaw, then to his neck. He presses chaste kisses there, savoring the salt on his sweat-slick skin.
“I’m getting you all sticky,” Shouto murmurs, peeling his eyes open to look between them.
“Mm, s’fine, s’just you.” Shouto wiggles uncomfortably as the cum smears and dries between them, and yeah okay. “I’ll get us a wet cloth, stay here.”
Shouto smiles and nods, blissed out. Katsuki feels eyes on his back from the moment he rolls off to pad over to their private bathing chamber to when he returns after having wiped himself down. Shouto sighs once Katsuki’s cleaned him off, parting his legs and opening his arms, eager for Katsuki to crawl back onto him. Katsuki obliges without hesitation, dropping his weight fully and grinning into the kiss he’s pulled down into. Shouto’s arms wind securely around his neck.
“How are you feeling?” Shouto asks him, nudging his nose sweetly into Katsuki’s cheek. His gaze is clearer now as he studies Katsuki.
“Fuckin’ fantastic,” Katsuki replies truthfully, brushing the damp hair away from Shouto’s pretty face. “I didn’t—I’m just,” Katsuki shakes his head, a sudden rush of emotions taking over, “so fuckin’ glad you’re mine.”
Shouto’s hand cups the side of his face and Katsuki leans into it. Just looks at Shouto and he looks right back. Taking it in, the reality of where they are and who they are to each other. It’s fuckin’ real.
“I know I’m your first,” Shouto says, fingers idly playing with one of Katsuki’s earrings. “But you’re a first for me too. I’ve—I’ve been with people and I’ve enjoyed it all with no regrets but in all those years I’ve never…”
Shouto takes a deep breath, gaze never wavering from Katsuki’s face. His eyes gleam with moisture and a part of Katsuki begins to panic. But he knows it’s nothing bad. So he just waits, thumbing away the single tear that escapes to Shouto’s temple.
“I love you,” Shouto says resolutely. “And I’m glad you’re mine too, Katsuki. I may have not known the moment we met but I would not change a single thing. It brought us here.”
“Bastard, don’t you dare try and make me cry too.” Katsuki chuckles wetly when Shouto scrunches his nose in apology. They kiss again, deeply, bodies pressed together from chest to stomach to hips. Katsuki gasps when his hard cock slides up against Shouto’s soft one, though slowly filling up with each kiss and movement.
One of Shouto’s hands slips up into Katsuki’s hair and the other disappears briefly. Covered with more oil, Shouto sneaks his hand between them and grasps Katsuki’s cock. Katsuki moans and Shouto hums in response, stroking him firmly.
It’s an easy slide when Shouto adjusts his hips and guides Katsuki into his hole, not once parting their mouths.
“Oh, fuck,” Katsuki’s breath hitches as Shouto takes half of him all in one go. He whispers encouragement and Katsuki pulls his hips back then snaps back in. Out, in. One more time and he’s buried to the hilt inside Shouto.
“I wanna feel you like this,” Shouto breathes, his expression one of pure euphoria. “Fuck, you’re so deep.”
Katsuki laughs. He likes that Shouto’s lips are loosening up. Unfortunately, so is Katsuki’s.
“Yeah, baby? Feel good?”
“Mm’really good.”
“God, I’m inside you, shit. You feel incredible.”
“Yeah?”
“So–warm.”
“Yeah?”
“Yeah.”
The mix of pleasure and sheer wonder of the fact that they’re finally doing this has Katsuki staring down at the place where they’re joined. Shouto moves a little and it makes Katsuki grunt and clench his teeth. He glances up to see Shouto grabbing a pillow, shoving it under his own hips. The shift in position has Katsuki dropping his forehead onto Shouto’s shoulder, the pleased sigh near his ear making him ready to combust.
“Fuck me,” Shouto rasps the command and Katsuki groans in pure relief. He wasn’t gonna be able to hold still much longer.
Raising his head to be able to see him again, Katsuki begins to pull back then thrust. He starts a cautious rhythm, watching as Shouto’s eyes flutter, air punching out of him each time their thighs meet. The sound is slick and the fire in Katsuki’s belly is already ramping up fast.
“Harder,” Shouto demands, hiking his legs up further. Katsuki adjusts his arms, trying not to get tangled. “Harder,” Shouto says again.
“Fuckin’ hell, princess,” Katsuki huffs, a drop of sweat dripping from his forehead onto Shouto’s chin. He pushes his knees up under Shouto’s thighs, maneuvering long legs up onto his shoulders. “Gonna fuck you like this, yeah?”
“Yes, I—fuck. Yes, don’t stop, don’t stop.”
Katsuki considers teasing Shouto for how desperately the words tumble out of his mouth now. But he’s rambling the same shit back.
“M’not gonna stop, gonna fuck you so good.”
Katsuki picks back up and it seems that Shouto likes this angle much better. His mouth opens and the sounds that leave it are the most depraved things Katsuki’s ever heard. It spurs him on and he amps up the pace, pounding into Shouto over and over, skin slapping skin.
Shouto’s fully hard again and his cock bobs with each thrust. Katsuki leans forward, bending Shouto’s body practically in half, letting his body’s primal instincts take over as he chases that sweet release.
“Don’t stop,” Shouto pleads, his eyebrows furrowed. “Katsuki, don’t stop.”
“M’not stopping, m’not, I won’t.”
“K-keep going. Need you to come in me.”
“Shit—Shou you can’t just say—fuck—”
Katsuki’s hips begin to stutter at the sight of a disheveled Shouto, his usual sense of control and poise completely nonexistent as Katsuki rails him into the mattress.
“I’m—‘m coming, fuckfuckfuck—”
Shouto’s hand slips between them to stroke his cock, spewing more encouragement and incoherent nonsense. And then Katsuki’s vision whites out, hips slamming into Shouto one last time as the orgasm makes his whole body go rigid.
He’s trembling all over as he crosses the peak of it. His muddled brain works enough to process Shouto following just behind him, making a mess on himself once more, Katsuki’s name like an oath on his lips.
A second, then two, and Katsuki’s body collapses on top of Shouto. Legs slide off his shoulders and breaths puff against his temple where a kiss is pressed. Shouto’s arms loop back around Katsuki, holding him.
“I love you so much,” Katsuki mumbles against warm, warm skin. They’re still connected and Katsuki can feel his cum spilling out of Shouto as he goes soft inside him. It feels gross and satisfying at the same time, and he embraces every single sensation in his hazy mind.
They lay that way for a while, Katsuki listening to Shouto’s pulse gradually slowing while Shouto’s hand on Katsuki’s back tracks his tapering breaths. Then, he gets another kiss before being rolled to the side. Katsuki’s head begins to clear but only to give way to utter exhaustion. His eyes are so fuckin’ heavy, only vaguely registering Shouto finding the cloth from before for them.
Blankets and furs rustle around him and then Katsuki is covered under one. He’s jostled a bit as Shouto gets in close to him and his arm worms its way under Katsuki’s neck.
“I love you too,” Shouto says, an absolute fact now. Katsuki grins sleepily, rolling again so that he’s half on top of his husband. They’re finally sharing their bed the way they were meant to. Katsuki throws an across to hold him close. To hold him forever. The shape of a smile is pressed into his hair.
They built this, this love. Brick by brick, moment by moment. So with eternity in mind, Katsuki drifts off to sleep.