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Heart of a Boy

Chapter 3

Summary:

It was inevitable that they would end up here.

Notes:

Ahh the final chapter, finally posted!

Thank you again for indulging me while I uploaded this story again. September is easily the worst month of the year for me, for various very unfortunate reasons, so I have not been doing great. Getting to post this again and getting to connect with the community for a piece of media that means so much to me has been incredibly helpful in keeping me going.

Everyone has been very kind and I hope you all enjoy this last chapter.

If you don't want to read any of the smut, you can stop after the first portion of this chapter; all the explicit stuff is only in the second half and I don't think it's entirely necessary to read for the ending to feel complete!

CW: Mix of AFAB/AMAB terms used for Izuku's junk; please read with caution if that's something that is uncomfy for you!
Terms used: cunt, pussy, dick, folds, slick, hole, cock, mound

Obligatory note: I write for fun and as a hobby; I'm not looking for criticism! If you don't like the way I write or this isn't your cup o' tea, you can just back out! Thank you!

(See the end of the chapter for more notes.)

Chapter Text

Deku was pacing. Had been, for the past ten minutes or so, anxiety and nerves sloughing off him in waves.

Katsuki watched him pace, sighing heavily from his spot on the couch. He’d done all he could so he finally passed the burden of trying to calm the nerd to Auntie Inko, who Deku was currently on a face-time call with. He was talking too fast, an anxious babbling stream that was entirely too incomprehensible for Katsuki to even attempt to keep up with.

It was inevitable that they would end up here.

The both of them were rising stars, climbing the hero ranks at an almost unheard of rate, second only Hawks in the history books. Deku, more so. Katsuki wasn’t so far up his own ass anymore to not realize that Deku was Japan’s Darling. Six years out of high-school and both of them sat comfortably in the top ten. Deku was a spot away from the top three.

Katsuki was proud and envious in equal measures; his desire to be number one would never go away and Deku knew that as well as he did. They’d always be competing for number one; just because Deku was closer now didn’t mean that would always be the case.

Point being. Eyes were on them. Always.

Where they went, cameras followed. Paparazzi hid in the shadows, reporters were around every corner, every extra they passed on the street with a phone and internet access posed a threat to their privacy. Katsuki could barely take a piss without someone watching him, bug-eyed, wanting a picture or an autograph from The Dynamight. It was fucking annoying.

It didn’t matter how careful they were, how on guard; it only took one moment of relaxation on their part then they were front page news.

The pictures of them kissing, shirtless on the beach had been everywhere. The morning news. Tweeter. Gossip sites. It was the talk of the goddamn town. Waking up the next morning to countless missed calls from their friends, family, agencies and PR teams had been annoying to say the very least. It was like the world hadn’t seen two dudes kissing before.

Katsuki didn’t care that much, personally. Not really. Was he pissed that he couldn’t have a day out with his boyfriend without having the constant worry that they’d end up on the news? Sure; people needed to mind their own business. But it wasn’t like they’d been subtle before this.

The pair had moved into an apartment together almost straight out of U.A. They were constantly spotted together, off the clock, hanging out in the city. On the clock they were the fucking Wonder Duo. They did almost all their interviews together. They had joint sponsorships. They’d talked often and openly about their plans to open an agency together.

And they’d been asked, of course. The question of their relationship and the extent of it had come up more than once over the years; the pair just never confirmed nor denied any suspicions. People were going to think what they wanted regardless so neither of them had felt it necessary. Plus they’d both hoped that, by side-stepping the question, they’d be able to hold on to the last fraying rope of their privacy.

Stupid, in hindsight. They’d been at this long enough to know that eventually it would all come crashing down.

Deku was taking it harder. Not because of the kiss, but because of the fact that he’d been photographed shirtless. His top surgery scars were healed and faded but noticeable. It took one asshole pointing them out for the internet to go haywire. Dynamight and Deku sucking face at the beach? Fucking nothing compared to the shitstorm of the whole of Japan realizing that Pro Hero: Deku, new Symbol of Peace, was trans.

There was a lot of really shitty stuff said. About both of them, sure, but Deku took the extra hits and Katsuki couldn’t shield him from them as much as he wanted to.

Their friends and old classmates from U.A. came out of the woodwork to defend the both of them and Katsuki was grateful, though he’d be loath to admit it.

It had been a few days since the pictures were leaked. Their PR teams both agreed that it would be best to just embrace it, take the power back and make a statement. Which is where they found themselves now, waiting in a dressing room for their photo shoot with an interview to follow.

It was for a very well known and well received LGBTQ magazine and website; they were, unsurprisingly, very excited to have two top ten pros for the cover of their next issue. Was this the way either of them had wanted to come out, publicly? No, of course not. Katsuki was pretty sure that in regards to his gender, Deku would have preferred to have never come out publicly at all. But it was the best they could do at this point, now that the choice had been taken away from them. They’d just have to make the best of it.

A loud knock at the door startled the both of them, Deku’s pacing halting with a yelp that he quickly tried to cover with his hand. Katsuki snorted at the display, mostly to cover up the way he’d jumped himself.

“Deku? Dynamight? Ten minutes before we’ll need you on set!” A voice called through the door.

“O-okay! Thank you!” Deku called back immediately, his voice noticeably higher due to his nerves. “Mom I have to go, I have to- I’ll call you when it’s all done, okay? Bye, love you.”

Katsuki could just barely make out Inko’s reply of, “I love you too, sweetie. You’ve got this!” before Deku was ending the call and setting his phone on the table.

“Oi, nerd.” Deku’s eyes snapped to him, the whites of his eyes too visible, betraying his panic. Katsuki sighed, patting his thigh. “C’mere.”

Deku’s shoulders slumped and he trudged petulantly over to Katsuki. He had to bite his inner cheek to keep from laughing out loud; what would Japan think if they saw their next Symbol of fucking Peace all but throwing a goddamn temper tantrum like a child? No, this side of Deku was just for him. Katsuki hoarded it greedily.

As soon as he was close enough Katsuki reached out and grabbed his wrist, pulling the other man forcibly into his lap and ignoring the squawk of protest. “Ka-Kacchan!”

Katsuki smirked, running his hands up Deku’s bare thighs before pushing the fluffy grey robe he was wearing out of the way to get his hands on Deku’s chest. Katsuki was wearing matching black boxers and grey robe; it wasn’t Katsuki’s first underwear photoshoot but it was Deku’s. It was no wonder why he was so nervous.

He felt Deku shiver under his hands and he grinned, sharp and vicious. “Why’re you so nervous, Deku?” he asked, trailing his hands down to feel the cut of Deku’s abs, the ridges of all his scars that he loved and hated in equal measure. Deku sighed and he felt him relax into his touch, minutely, settling more of his weight into Katsuki’s lap.

“You know why,” he muttered, his own hands coming up to rest on Katsuki’s chest, his touch more hesitant than it had been in years. That just wouldn’t do.

“Yeah. Tell me again,” Katsuki prompted, getting his hands on Deku’s ass to drag him closer, to minimize the space between them. Deku squirmed a little in his lap before huffing through his nose, his hands settling more firmly on his chest.

“This isn’t how I wanted to come out to the world,” he confessed quietly, his fingers tapping out an anxious little rhythm against his collarbone. “I just hate that the choice is being taken away from me. From us. Now you’re dragged into this too and I just-”

“Oi, quit it. Don’t worry about me, I don't give a shit about what people think of me. Fuck, if anything this gonna’ be doing me a favor. People will finally stop asking you about girlfriends and when ‘Japan’s Darling’ is gonna’ start a family with me sitting right there. Bunch of fuckin’ bullshit, about time everyone knew you were taken.” Deku laughed a little at that and Katsuki smirked triumphantly before his expression settled into something a little more somber, more serious.

“Ey, listen to me, Deku. I know this isn’t how you wanted to do this, and it’s bullshit that your choice was taken away from you. But.” He brought his hands up, cupping Deku’s face between both of his palms and forcing the other man to make eye-contact. “You are a goddamn good hero, Deku. One of the best. And what you’re about to do today is going to save so many people. You realize that, right?”

Deku immediately tried to look away, to break their eye-contact like Katsuki knew he would, but he held firm and didn’t let him wiggle away. They both knew that if Deku really wanted to move he could; the man was a goddamn monster and in terms of pure physical strength, between the two of them there was a clear winner.

“Hey, listen to me. You need to hear this. You are going to save so many lives. How much different would your childhood have been if there had been a Pro-Hero on the scene that was trans and proudly out? If you’d had someone you could’ve looked up to and admired as a kid, how much would that have helped you? Hah?”

Deku took a shaky inhale, his lips quivering with the effort of fighting back his tears. They both knew it was a losing battle but Katsuki applauded the attempt to stave it off even for a little bit. “It would have been… amazing,” Deku breathed wistfully, his voice wavering. “I wouldn’t have felt so… so…”

“Different?” Katsuki finished gently when Deku trailed off. “Broken?” Deku squeezed his eyes closed, his mouth pulling tight as he nodded. Katsuki nodded right along with him, encouraging, even though his eyes weren’t open to see it.

“Yeah. You’re going to be that for someone. For a lot of someones. There’s going to be so many little brats out there who feel alone and lost and broken and they’re going to see you and know that they’re gonna’ be okay. You’re the new Symbol of Peace for Japan but for a different group of people you’re going to be a Symbol of Hope. Proof that things get better, that they can live happy lives, they can be heroes. You’re living proof that they can be loved, exactly as they are.”

Katsuki watched as Deku blinked his big, stupid, beautiful green eyes open; watched as the tears spilled. His thumbs were already there, gently wiping them away from his flushed, freckled cheeks.

“Kacchan,” Deku whispered. “I’m… scared.” He breathed out the confession like it was something dirty or shameful. Like he didn’t have every right to be terrified; having his body on display for all of Japan – all of the world – to see and criticize.

Katsuki huffed through his nose, squeezing Deku’s cheeks together so that his lips pursed and his eyes were forced to squint. Sometimes the amount of affection and love he felt for this man was too much for his heart to contain. It overflowed, hot and molten, and flooded his system so that all that was in him was Deku, Deku, Deku. It made him want to blow him up; squeeze his head until it fucking popped. The cute aggression was real and he’d had to learn how to reel it in a long time ago.

“You can hold a fucking falling building on your shoulders, fight on the front lines of war, go face-to-face with some of the worst villains imaginable and win… and this is the thing that scares you?” He was goading, trying to bait out some of that fight that he knew was in him. Deku sniffled and Katsuki finally smoothed his face back out, rubbing his thumbs softly along his cheeks.

“Those things are scary, too.”

“Sure they are. You still do them, though.”

“Of course I do,” Deku mumbled. Katsuki hummed, deep and rumbling.

“That’s what makes you brave. You do all that shit despite it being terrifying; and you win. This isn’t going to be any different. You’re going to do this thing, and you’re going to come out stronger for it.” Deku still didn’t look entirely convinced and Katsuki snarled, cupping one of Deku’s hands with his own and moving it so that it was flat and firm against his own heart. So Deku could feel the steady thrum under his palm. “And just like always I’m going to be right there . You aren’t doing this alone. You could, if you needed to. You’re strong; stronger than their words and their hate. But you don’t have to be strong alone. I’m here, Izuku. I’ve got you.”

That seemed to be the breaking point; he saw the resolve settle in Deku’s eyes, finally saw the flint of fire that signaled a fight. Deku crashed forward, kissing him hot and deep and wet. He could taste the salt of his tears and he savored the flavor on his tongue.

Another knock broke them apart, their chest heaving, breaths heavy and intertwined.

“Deku and Dynamight? Two minute warning; please make your way to the set so we can get everything situated!”

Neither of them answered, too busy being lost in each other’s eyes or some gay shit like that. Fuck, he was so gone on this guy. Always had been. He wouldn’t have it any other way.

“You ready, Deku?”

Deku closed his eyes, breathing deep and long before releasing it steadily. When he opened his eyes again, there were no longer tears, just the shine of a man ready to go to war.

“Let’s do this, Kacchan.”

--

It was a miracle they made it into their apartment.

Katsuki slammed the door shut behind them, barely remembering the locks and never once stopping from kissing the man in front of him. The man who was currently clinging to him, his hands roaming and gripping and desperate.

He shoved Deku into the wall hard, grabbing him by the thighs and hoisting him into the air, Deku’s legs wrapping tight around his waist on reflex. “Fuck,” Katsuki hissed, biting at Deku’s lips, his jaw, down his neck and onto his shoulder. He listened to the way Deku moaned and whined, reveled in how he squirmed and the way his thighs tightened around his waist. “ Fuck, Deku- Izuku, you were so fucking hot.”

Kacchan.” Katsuki swallowed his name on Deku’s tongue, loving the taste.

“Wanted to fuck you right there, on set,” he growled between kisses, rolling his hips as if to prove his point. Deku gasped at the feel of his cock, already hard and hot between them. “Let them put that on the fucking magazine.”

Deku shivered at that, full bodied, and Katsuki kissed the underside of his jaw, licked at his throat to taste the sweat on his skin. He could feel the reverberations of the whine that worked its way out of Deku’s throat on the flat of his tongue and it made him want to rip him open with his teeth. He settled for worrying a bruise onto the base of his throat, biting and sucking until he knew it would be dark and ugly the next day.

Good. Let that be the next picture, the next scandal. If everyone wanted to snoop into their life then they should get to see it; see who Deku belonged to. Who Katsuki belonged to.

“Ka-Kacchan, please ,” Deku keened, his blunt nails scratching at his shoulders, down his back, digging in to the point of pain. Katsuki loved it, savored it.

“Please, what , Deku?”

“Please fuck me.” He begged so sweetly and Katsuki was helpless but to obey. He grinned, sharp and predatory, his hands massaging teasingly at Deku’s ass.

“That’s the plan, ‘Zuku.” He kissed him again, deep and long and mean, wanting to make him wait just a little longer. His hips were moving steadily on their own at this point, chasing Deku’s heat and greedily seeking friction.

“How do you want it tonight?” He asked when he broke away, breathing already labored as he finally began to make his way towards their bedroom. They lost their shoes and socks along the way, clumsily and messily, leaving a trail for them to pick up after later. “Cunt or ass?”

Deku flushed cutely at that, the little nerd still got so flustered when Katsuki was just shy of being too vulgar. It was all an act; he knew Deku liked it. He could feel it in the way his breath shook, in how his muscles twitched involuntarily and his thighs squeezed.

“You know how I want it,” Deku mumbled, and Katsuki did. He knew everything about this man. He knew the way he liked his coffee, what movie could make him cry without fail, his deepest thoughts and opinions on each and every one of their old classmates, what his face looked like when he first woke up in the morning… what made him squirm and moan and cry. Katsuki knew it all. He hoarded the knowledge like a dragon; every new detail a new jewel for the pile.

He’d guard his treasure to the day he fucking died.

“Yeah,” Katsuki agreed, pushing his way into their room, not bothering to kick the door closed. “I do.” He dropped Deku unceremoniously onto the mattress and immediately stripped off his own shirt. By the time he was tossing the clothing to the ground so was Deku, and Katsuki drank in the sight of him, flushed and sweaty and shirtless.

Deku tried to sit up, made a reach for Katsuki’s belt, but he batted his hands away, pushing him back onto the mattress by the shoulders. “Kacchan – let me, I want to.”

“Nah, ‘Zuku. Tonight is all about you for being so good today. So brave.” Deku’s flush worked its way down his chest at the praise and he squirmed under it. Katsuki smirked. He made short work of Deku’s jeans, the pants soon joining the rest of their clothes on the floor. Red eyes were instantly drawn to the noticeable wet spot on Deku’s boxers and Katsuki ran his tongue over his teeth as he looked his fill, pushing Deku’s legs apart as he settled between them.

“Already this wet for me, De-ku?” He taunted lightly, petting his fingers over the sticky, wet fabric. It wasn’t enough to really give any friction, was just barely enough to tease, and Katsuki loved watching the way Deku’s hips rolled forward on their own, begging for more.

Deku laid back heavily, covering his face with both hands. “Shut up, Kacchan,” he mumbled into his palms. His words lost a lot of their bite when his legs fell open more on their own, giving Katsuki more room to fit. Katsuki hummed as heat pooled, thick and viscous, in his gut. He rested his cheek against Deku’s thigh as he pressed the heel of his hand more firmly against Deku’s cunt, giving him something to rut against. Deku did, mindlessly, his hips rolling and twitching into his hand, little breathy frustrated whines escaping him as he did so.

“Or what, Deku?”

Deku moved his hands just enough to peek between his fingers; the green of his eyes seemed electric bright in the dim lighting of their room. “Don’t you think there’s something better you could be doing with your mouth than being a fucking smartass, Kacchan?”

Katsuki grinned, biting the meat of Deku’s thigh just to hear the hiss of his gasp, to watch him wince. He loved when Deku got mouthy, when he pushed for what he wanted and got a little mean. Deku always had the ability to be a little shit, bubbling just below the surface of the sweet, innocent ‘family friendly’ facade he put out for the rest of the world to see. Once again, one of the little special things that only Katsuki got to see.

Giving Deku’s outer thigh a sharp smack, he instructed, “Lift your hips.” Deku obeyed immediately and Katsuki wasted no time working his boxers over his hips and down his legs. “You’re so goddamn gorgeous,” he said as he settled back between Deku’s thighs, hiking one of his thighs over his shoulders. “So pretty for me.”

Katsuki remembered their first few times having sex together. It had been awkward and fumbling; no amount of young enthusiasm could fully make up for the obvious inexperience. Neither of them had known how to handle the other and the nerves had caused them both to hesitate, to hold back. Part of Katsuki hated thinking back on it; hated that he hadn’t known how to take care of Deku, hadn’t known how to make him feel good the way he deserved. Another more sentimental part of himself looked back on those moments fondly; acknowledging the excitement and love that had been there despite the nerves.

Now though, Katsuki knew everything. He had years of trial and error under his belt, years of practice to fall back on.

There was no hesitation now in the way Katsuki leaned forward, licking a broad stripe from the bottom of his pussy up to his dick, which was already thick and hard, pushing its way out from under the hood of his mound. He hummed at the feeling of the folds opening under his tongue, felt the way Deku tensed under him, a low broken sound escaping him.

“Taste so fuckin’ good,” he all but purred, sucking two of his own fingers in his mouth. He slicked them up with his spit and, once satisfied, turned his attention back to Deku. He rubbed his fingers along his pussy, parting the folds in order to lick deeper, chasing the taste of Deku’s slick like a man dying of thirst.

With spit-slicked fingers, Katsuki circled Deku’s hole, teasing it gently before pressing one finger in, quickly followed by the second. He knew Deku could take it, knew he liked a little bit of a burn with the pleasure.

Ah.” Deku’s hips bucked at the intrusion and Katsuki chuckled, using his free hand to hold his hips secure to the mattress. He began to finger him in earnest, licking his way back up to Deku’s cute little dick. It’d gotten good growth, thanks to the hormones, and Katsuki loved it. It was the perfect size to suckle on and Deku was so goddamn sensitive to it that it was practically an addiction.

F-fuck, Kacch- Katsuki,” Deku groaned throatily as he took him into his mouth, sucking languidly in time with his thrusting, curling fingers. Deku’s scarred, gnarled, perfect hands fell to Katsuki’s hair, digging in just this side of painful and tugged encouragingly. Katsuki rumbled a low moan that was immediately echoed by Deku.

Katsuki fell into a practiced rhythm; Deku’s rolling hips, his little moans of yes and please and more, and Katsuki spurred him forward. He’d break away from Deku’s dick when he began to keen and writhe under him, moving to greedily lap up the gathering slick around his fingers, giving the hyper-sensitive little cock a breather before he went right back to it.

Lather, rinse, repeat.

He knew when Deku was getting close. Could tell in how his fingers tightened in his hair as Deku forcibly pulled his face closer , his hips bucking up off the mattress despite Katsuki’s bracing hand, effectively fucking his mouth. He groaned low, adjusting his speed and rhythm to match Deku’s own thrusts. “Fuck, yeah, c’mon Izuku. Cum on my fucking face,” he growled.

And, well. Deku did.

The leg that was hooked over his shoulder bent, locking behind his head to force Katsuki’s face where he wanted it, his nose pressed deep into the wiry curls of Deku’s mound. The hands in his hair scrambled for purchase, gripping tight and holding him still as Deku took. Deku rolled his hips, biting out broken, guttural moans as he fucked Katsuki’s face. All Katsuki could do at that point was hold on, suck his cock and finger-fuck him through it.

It was a mere handful of seconds of this rapid, desperate pace before Deku’s whole body locked, his head pressed back into the mattress, his back bowed off the bed as he cried out loudly, brokenly. Katsuki exhaled harshly through his nose, his red eyes locked on Deku’s beautiful form as he rode out his orgasm.

Suddenly the tension snapped and Deku went limp, settling heavy into the mattress. His chest heaved with his breaths, small whimpers slipping out on the tail ends of his exhales. He batted gently, with a clear lack of coordination, at Katsuki’s face. “Ka-Kacchan, enough, it’s sensitive,” he whined.

Katsuki snorted, popping off of Deku’s little cock. “Lookit’ how fucking soaked you got, Deku,” he teased, gently pulling his free from his fluttering hole. His hand was wet, Deku’s pussy was goddamn sloppy, and the whole bottom half of Katsuki’s face was covered in his slick.

“Shh, Kacchan, c’mere,” Deku pleaded softly, holding out grabby hands and looking at Katsuki with fuzzy satisfied eyes. Katsuki chuffed, crawling up to get a kiss as a reward. He licked deep into Deku’s mouth, wanting him to taste himself on his tongue.

They got lost in the kissing for a little while; it was hard not to. Katsuki was straddling one of Deku’s thick-ass thighs, grinding against it almost absently, trying to ignore the press of his jean’s zipper and how uncomfortably tight everything was.

“Want you inside me, Kacchan,” Deku breathed hotly against his lips. Katsuki groaned lowly, burying his face into the crook of Deku’s neck, mouthing at the skin there.

“Not gonna’ last long, ‘Zuku,” he muttered, just a little bitter. “Been pent up for fuckin’ hours. Almost fuckin’ came when you did.”

Deku chuckled breathlessly, his hands coming up to pet and scratch through his hair. He resisted the urge to push up into the hands; Deku sometimes compared him to a cat and he figured doing that wouldn’t help his ongoing case against it.

“That’s okay, don’t care,” he said, scratching soothingly along his scalp. “Just wanna’ feel you.”

Katsuki inhaled deeply before nodding, kissing his way up Deku’s neck, nipping at his ear. He grinned at Deku’s lazy little giggles and he couldn’t help himself but kiss the sweet sounds straight out of him.

“Condom?” He asked, more out of habit than actual necessity. He knew they didn’t need one anymore; they were exclusive, clean, and Deku had gotten his hysterectomy last year. But he couldn’t get himself to stop asking, just to be safe. Deku just smiled, giving a little shake of his head and Katsuki nodded, climbing off him to grab lube from his side table. He tossed it on the mattress next to Deku, who was watching him with lidded eyes, one hand brushing teasingly along his chest while the other dipped lazily between his own legs.

Katsuki stalled, his hands frozen in their attempt to get his jeans off, watching transfixed as Deku dipped two of his own fingers inside his already stretched hole, humming softly. “Katsuki,” he said on a dreamy exhale, working his fingers in and out of himself slowly, teasingly. “Need you.”

Katsuki got his jeans and underwear off so fast it was a wonder he didn’t accidentally blow them the fuck up. His palms definitely felt hotter than they should. He trusted himself and his control enough to know he’d never use his quirk unintentionally, but it had to say something that the only person that ever got him close to that was Deku. Of course it would be Deku.

He knee-walked himself back between Deku’s bent knees, watching him finger himself as he frantically lubed up his own cock. The first touch of his hand on his neglected, swollen dick had him hissing and he had to grip the base tightly to stave off his own embarrassingly fast orgasm. Who could really blame him, though? With Deku spread languidly out under him, already cum-dumb and playing with himself, putting on a lazy effortless show… Katsuki was only human.

Without being asked, Deku slipped his fingers out of himself, instead moving to spread his cunt open for Katsuki in obvious invitation. Katsuki felt his mouth fill with drool at the sight and he bit out a sharp curse. He pressed closer, his own thighs meeting the back of Deku’s. Draping himself over Deku’s body, he used one arm to brace himself next to Deku’s head with his elbow, his free hand moving between them to make sure he was lined up properly.

“Good?” He asked, double-checking. Deku hummed, looping his arms loosely around his neck.

“Good.”

Not needing anymore confirmation, Katsuki pressed forward, sliding into Deku’s tight heat in one smooth thrust. Both of them groaned at the feeling, Katsuki’s head falling helplessly to Deku’s shoulder.

“I’m really not gonna’ last, fuck, you feel so perfect,” he grit out into the meat of his shoulder.

“That’s okay, that’s okay,” Deku babbled, his hands dragging up and down encouragingly along his back and shoulders, occasionally raking up through his hair. “Move, please, Kacchan.”

He started slow, fucking into Deku with long, measured thrusts in an attempt to draw it out a little longer. Deku was an insatiable little shit though and it wasn’t long at all before he was seeking his lips, kissing him deep and messy. “Katsuki,” he hissed, biting at his bruised lips. “Harder. Fuck me harder.”

Fuck,” he growled. “Okay.” Pushing himself back up to kneeling, he gripped Deku by his thighs, dragging him completely flush against him, buried to the hilt. “Okay,” he repeated more forcefully, his grip tightening to bruising on the meat of Deku’s thighs. He pulled his hips back, not far, and with no warning or hesitation snapped them forward again.

The cry Deku let out was loud, high, and Katsuki grit his teeth as he set the new pace. Deku’s wet heat sucked him in, greedy, squeezing him like a vice over and over and over. Deku was a mess beneath him, his face half turned into the mattress, his arms thrown above his head to grip desperately at the comforter.

The sounds of their fucking filled the otherwise quiet space. A mix of the sticky slaps of skin-on-skin, the wet squelch of Deku’s pussy sucking him in, Katsuki’s labored breathing and Deku’s broken, sobbing moans. Katsuki was shaking with the effort to keep going, to stave off his release in order to keep this scene playing, but it was a losing battle.

He wasn’t sure what tipped Deku off to it, maybe the shake of his muscles, the way he was starting to bite out breathy curses without meaning to. Whatever the reason, suddenly Deku’s legs were rising, his ankles locking tightly at Katsuki’s lower back. It pushed him forward a little, knocking him off balance, and he caught himself with a hand next to Deku’s face.

“I-inside, Kacchan,” Deku whimpered, his legs squeezing tighter. “C’mon, cum in me.”

Katsuki’s orgasm hit him like a train, Deku’s words instantly pushing him violently over the edge. He bit out half formed curses, Deku’s name falling from his lips like a prayer as he bowed over, hips stuttering painfully as he released inside of him.

Deku encouraged him, praised him, his hands petting desperately through his damp hair, down his sweaty back. A litany of yes Kacchan and so good, feels so good and I love you ’s that washed over his overheated skin like a balm. He shuddered with the aftershocks, breathing hotly into Deku’s chest. He could feel Deku’s heartbeat where his forehead rested against his chest, rabbit-quick, matching his own racing pulse.

Eventually Deku began to squirm under him and Katsuki huffed, pulling out slowly and flopping heavily onto the bed next to Deku. They instinctively turned in towards one another, their hands finding each other in the space between them as they both caught their breath.

“So good, Kacchan,” Deku breathed happily, his eyes filled with so much love Katsuki thought he might drown in them.

And maybe it was the combination of the stress of the last few days, or the emotional roller-coaster of the photoshoot, or just the dumb endorphins from having sex. Whatever the reason Katsuki felt his throat tighten with… something. He blinked at the sudden rush of emotion, staring at Deku’s tired, satisfied little smile and he was overcome.

“Marry me,” he said, into the quiet. Deku’s eyes blinked open at that, staring wide-eyed at him. Silence hung over them for a heartbeat, two… and then Deku began to laugh. The sound was so soft and genuine and so not what Katsuki wanted right then. “Hey,” he said with a scowl.

“Sorry, Kacchan,” Deku giggled, reaching with his free hand to push Katsuki’s bangs out of his eyes. “I don’t mean to laugh. You know that when you ask for real the answer will be yes.”

Katsuki glared at him, untangling their hands and pushing himself up from the bed on still shaking legs. He ignored Deku’s confused call of his name, stomping over to their dresser to dig through his sock drawer of all things.

He wasn’t sure how the little box had managed to stay hidden there for so long. But Deku wore dumbass ankle socks and Katsuki wore boot cut like an adult and so they had separate sock drawers that neither ever dipped into. It should have been obvious and it was honestly ridiculous in how easy it had been to keep secret.

When he turned around Deku was sitting up on the bed, watching him warily. Katsuki rejoined him on the bed, holding the little box out between them. “I am being fucking serious, nerd. Marry me.” He opened the box for good measure, showing off the simple silver band.

Deku stared at the ring with blown out eyes and then those eyes were on him, huge and wet and… angry? Why was he angry? Deku grabbed a pillow, clocking Katsuki with it hard . Katsuki flinched at the attack, sputtering. “Oi, what the fuck Deku-”

“Bakugou Katsuki, are you seriously proposing to me while your cum is leaking out of me?” Deku shouted. Katsuki blinked stupidly, opening his mouth to say something when the pillow hit him again. He squawked indignantly, ripping it from Deku’s hands and tossing it across the room. The next pillow followed quickly after because he didn’t miss the way Deku’s eyes immediately honed in on it.

“Stop hitting me!” He barked.

“You’re so stupid,” Deku hissed, pushing at him. It didn’t have a lot of force behind it and Katsuki merely rocked in place, glaring at the man he loved so much throwing a fucking tantrum.

You’re stupid,” he retorted instinctively, childishly. “Fuck, just say yes you stubborn asshole!”

“Katsuki you really couldn’t pick a better time to fucking propose to me?” Deku pressed. “I’m fucking sweaty and sticky and, I mention again, leaking… what is wrong with you?”

Katsuki felt his cheeks fucking burn but he wasn’t one to back down, especially not to Deku . “It felt like the right time, fuck, I don’t know! Fucking – I’ll put it back and do it again later then-”

Deku’s hands shot out, snatching the ring box from him and clutching it possessively to his chest. “Don’t you dare, you can’t take this back,” Deku said, glaring at him. It was so stupid, them arguing over this, and so childishly too.

They had a petulant little staring contest, both of them too stubborn and hard-headed to back down. It was Deku who broke first, blinking away to stare down at the box in his hands. Katsuki watched as his shoulders slumped, losing their tension. “You’re really serious?” He asked, voice breaking a little in the middle.

“Of course I’m fucking serious,” Katsuki snapped. “I don’t do shit I don’t mean.”

Deku nodded at that, and then nodded again like a reassurance, still staring at the box. “How… how long?” he asked, turning his big eyes back to him. “How long have you… had this?”

Katsuki grunted, scratching at the back of his neck. “You remember that international mission you went on two years ago? When you had to go to America for three months?” Deku nodded. “I was so fucking… gross and pathetic while you were gone that I just… bought it. I don’t know. I hated that you were gone, wanted something physical to prove you’d be with me forever. I’ve just been… waiting. Trying to find the right time to ask.”

“You’ve had this for two years,” he said slowly. “And now was the right time?” Deku asked with clear exasperation in his voice. It was fond though, and Katsuki could see the tears starting to well in his eyes.

“I could’ve probably picked a better time,” Katsuki conceded grudgingly, lips pulling in a sneer. “I hope this doesn’t affect your answer, though. I’d really like to marry you, Izuku.”

Deku sniffled messily, nodding again like an adorable bobble-head, looking between the ring box and him and back again. He shoved the box out between them with shaking hands, looking at Katsuki with big imploring eyes. “Put… uh, put it on me, please?”

Katsuki felt his heartbeat kick up painfully in his chest, his own eyes burning dangerously as he took the box back. He removed the ring, carefully taking his left hand in his. He ignored the messy, shuddering breaths he could hear Deku taking, knew he was crying in earnest now, and instead focused on gently working the ring on his finger.

It fit perfectly, like Katsuki knew it would, and once it was on he just stared at it, running his thumb reverently over the ring on Deku’s finger. It wasn’t until he saw wet drops splatter onto the back of Deku’s hand that he even realized he’d started crying himself and he looked up at Deku, meeting his watery gaze with his own.

“This is a yes, right?” He asked gruffly, stupidly, embarrassed by the feeling of the tears on his hot cheeks. Deku laughed wetly, wiping messily at his face, his own eyes flitting briefly down to the ring on his hand.

Yes, Katsuki. Yes.”

--

The pictures of them getting coffee, Katsuki flipping off the camera while Deku proudly showed off his engagement ring, went viral not two days later.

Notes:

And that's it! Finally all posted at last!

I have a couple small oneshots that exist within this universe, I might post them eventually, who knows.

Thank you again to everyone who left kind messages and, honestly, a huge thank you to Gabstar (or gabbkdk on twitter/x). She was incredibly kind and encouraging when it came to me posting this again, and I'm not sure I would have had the courage to put this back up without her support. If you haven't read 'Promises Kept' by her yet, please do; it's life changing.

My Twitter/X link if anyone wants to chat or bother me, haha. 18 only please!
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Until next time, thank you all again, and remember to be kind to yourselves!