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At twenty-five, Katsuki Bakugou was as brash, hot-headed, stubborn, and arrogant as he had been in high school. He also, currently, held the second spot on the list of Japan’s top heroes.
He deserved it. He was good at what he did. He was powerful. Strong. Quick, both with his feet and with his head. Surprisingly good at staying calm in stressful situations, and a logical thinker, as long as he controlled his temper.
He was also the only omega in the top ten.
Even with his scent blockers, his scent of cloves and sandalwood and lavender was apparent. A strong scent for a strong man, naturally.
And it, as usual, was driving Izuku crazy.
Izuku, currently holding the third spot on the hero charts – he and Katsuki often swapped place for number two, though Katsuki had held it for a while now – had, surprisingly, presented as an alpha. Quite honestly, he often thought his presentation was a cruel joke. The fact that he would present as an alpha and Katsuki as an omega, given all of their personality and character traits, seemed completely backward. Regardless of presentation, they both still fought gallantly, pushing each other in the convoluted way they managed to do, and, generally speaking, their secondary genders didn’t come too much into play.
Except for times like right now.
Katsuki was breathing heavily, back pressed against the bricks behind him, head leaned back, baring his neck for Izuku’s hungry gaze. Izuku tried to catch his breath from across the alley, winded both from their chase of the Villain but also from Katsuki’s cloying scent.
The Villain had been apprehended and placed into police custody minutes before, and the two heroes were just exhausted. There had been minimal damage to the city, thankfully, but they still needed to head out to do some recon analysis and make sure any civilians that needed medical attention received it.
And while those facts were at the forefront of Izuku’s mind, he still found himself speaking, words nothing but hot air, “Kacchan, are you going into heat anytime soon?”
The blonde’s eyelids peeled open, revealing simmering pools of hot copper. His lip curled into a sneer. “What the fuck, Deku?” He growled, canines peeking through behind his lips. Izuku wanted to lick them. “No, I’m on suppressants. Why?”
Izuku took a deep breath and regretted it immediately as his nostrils flared with more of Katsuki’s scent. “Dunno.” He murmured, aware that his body was reacting, and he needed to put distance between himself and his childhood friend. “Can really smell you right now.”
Katsuki’s eyebrow quirked, lips pulling into a wicked smirk. He pushed himself off the wall and sauntered toward Izuku. “That a problem, Deku?” He questioned, voice something Izuku recognized as dangerous.
Izuku’s alpha growled at the back of his throat, teeth snapping as Katsuki approached, completely unfazed by the display. A hot, explosive hand came to rest beside Izuku’s head, the blonde leaning in close. Izuku’s eyes fluttered as Katsuki’s scent enveloped him, and a low sound rumbled from deep inside his chest.
Katsuki’s grin was sharp. “Can’t even answer me, Deku?” He pressed, leaning forward and tilting his head just enough to tease Izuku with the idea of submission. Izuku felt his instincts to reverse this situation swell in his chest, but he shoved them away, refusing to be a pawn to his instincts. “My scent a fucking problem, alpha?”
At that, Izuku snarled, eyes blazing with the challenge. He wanted to touch but wouldn’t – not without permission. But his pheromones had a mind of their own, suddenly engulfing the alleyway with the strong scent of evergreen and honeyed musk and the electricity of the air before a thunderstorm. Katsuki’s slight intake of breath and the dilation of his pupils were the only indication that Izuku’s scent had any effect on him, being an omega with extraordinary control of his instincts.
“Don’t be an asshole, Katsuki.” Izuku growled, swallowing the feel of his throat burning thickly. “I was only asking out of concern.”
Katsuki scoffed, hand dropping from the wall, skimming over Izuku’s shoulder on its way back to Katsuki’s side. “We should get back and do recon.” He muttered, backing away. He turned on his heel and blasted his way out of the alleyway without looking back, and Izuku was grateful for the reprieve and the opportunity to collect himself before he made his way back to the public’s eye as well.
---
It kept happening - the weird, aggressive… flirting?
Izuku wondered, vaguely, as Katsuki very deliberately rubbed his hand over his neck, drawing attention to the smooth skin there and his unclaimed scent gland, if they were courting each another.
Izuku suppressed a growl, suppressed the urge to snap his teeth in warning. Katsuki leaned back in his chair, pressing his glass of water to his lips, eyes locked on Izuku.
They were in a meeting, dammit.
Izuku tried to glare but didn’t want to bring unnecessary attention to himself to give away that he was very acutely not listening to anything that their agency manager was saying. Instead, he turned his head away, gluing his gaze to the woman at the front of the room and kicked his leg out, knocking against Katsuki’s shin hard enough to make any other man wince.
Katsuki ducked his head, pressing a hand to his mouth to cover a smirk.
Izuku really, really wanted to lick into that pretty mouth.
God, he hated being an alpha with an explosive, mindlessly attractive, powerful omega hero partner.
If he let himself think about it – which, realistically, he did often, because he was always thinking a mile a minute – this had been going on for a while. They had been dancing around each other ever since they had agreed to sign at the same agency. Izuku had been dealing with that tantalizing scent for far too long to still be as coherent as he was, honestly.
And it frustrated his alpha to no end that the blonde was so good at controlling his behavior. He wanted to make him submit. Make him lose control, too.
Which – well, he had no right to feel that way. They weren’t even dating. They had only recently become what Izuku would define as friends. Flirting meant absolutely nothing in the grand scheme of things.
“Midoriya, how does that sound?”
Flushing, Izuku sputtered – “Uh, I’m so sorry… Can you repeat that?”
Katsuki’s pleased, amused scent accompanied his low chuckle, and Izuku kicked him again.
---
They absolutely could not work out together.
Izuku learned that the hard way.
He stood behind the bench press, waiting in case Katsuki needed the freckled man to catch the bar – unlikely; for all of the times the two had worked out together, Izuku had not once needed to actually spot Katsuki – his eyes admiring the hot sweat tracing down smooth, creamy skin.
His tongue flicked over a canine tooth, desire to lick pheromone-drenched, sweaty flesh simmering beneath his skin.
The sound of the bar being placed back on the rack brought him out of his daze. Katsuki sat up, staring at him with a raised brow and a sharp-toothed grin. “I can smell your distraction, Deku.” He taunted, standing, leaning close and earning himself a growl. “Get your shit together, stupid alpha.”
Izuku stumbled backward, forcing space between them and rubbed his hands over his eyes, groaning. “Kacchan.”
Katsuki rolled his eyes, clicking his tongue before setting a simmering gaze on Izuku. “C’mon, Symbol of Peace. Get over here and show this omega how strong you are.”
Izuku glared but did as he was told. His inner alpha wasn’t about to turn down the clear invitation to show his strength and vitality to such a capable and compatible omega.
---
If they could barely workout together, Izuku should have known better than to agree to spar with the blonde.
But he was a hero; sparring was part of keeping a good regime, keeping them on their toes, keeping them constantly rising up and up and up to be the best version of themselves.
Izuku reminded himself of this as Katsuki’s scent hit him like a brick wall in midair, causing his control of One for All to falter just slightly. He regained his clarity in less than a second, actions fueled by annoyance now as well as his desire to surpass his rival. He launched off a nearby faux building and altered his direction, letting his nose direct his coordinates as he chased the blonde through the training center. Katsuki had gotten much better at not only controlling his blasts, but controlling how loud they sounded as well, which was helpful in the field, but frustrating for Izuku when he was tailing him.
Quickly parsing out Katsuki’s plan of attack, Izuku changed routes yet again, looped around a few buildings silently, and then managed to catch the blonde off guard as he rounded on him, grabbing him by the arm and slamming him to the ground, pinning his arms in a way that wouldn’t allow Katsuki to blast him away.
A low growl simmered at the back of Katsuki’s throat, eyes glaring up at the man on top of him. Izuku took a deep breath, filling his lungs with fresh oxygen and the subtle scent of sweat and sandalwood and cloves and –
Excitement?
Izuku’s brows furrowed slightly, his face leaning closer instinctively, sniffing out the delicate intricacies that made up Katsuki’s scent and emotions. Katsuki’s growl picked up at Izuku’s approach, but the freckled man blinked, clearly picking up on the façade.
“Kacchan.” He spoke, words a hot simmer as heat pooled in his gut, low and heavy. “Oh, Kacchan. I’ve always been chasing after you, haven’t I?” He questioned, lids falling slightly, lips pulling into a sharp grin. “And you enjoy being chased, don’t you? You enjoy being caught.”
The spike in Katsuki’s scent was unmistakable and delicious. The alpha purred deep in his throat, his fingers loosening on Katsuki’s wrists slightly as he leaned down, nose brushing along Katsuki’s throat, tongue feeling heavy in his mouth with the desire to taste the flesh before him.
“Deku,” Katsuki rasped as he minutely tilted his head, allowing Izuku just the slightest extra room to continue his movements. The alpha’s scent was heavy in his head. “You – “
“Uhm, Mr. Midoriya? Mr. Bakugou?”
The sound of their intern’s voice ringing out through the training center brought them both crashing down to reality as if they had been dunked in cold water. Izuku took in a sharp breath and leapt away from Katsuki quickly, putting enough space between them so they could both take in a clearer intake of air. Katsuki pushed himself up onto his forearms, staring at Izuku with wide, hauntingly deep eyes and heavy breaths.
Izuku’s body screamed at him to go back to the blonde, whose scent currently reeked of heavy desire and a pang of rejection.
“Uhm, are you both in here? You must be. God, it stinks of the two of you.” Their intern’s voice rang out again, the sound of his shoes against the concrete echoing in the large room.
Izuku felt something like fondness and affection bubble in his chest at the thought of people smelling their scents combined but worked quickly to hide his rising smile. Clearing his throat and running shaking fingers through his hair, he addressed the intruding boy. “Hey, Clint. Yeah, we were sparring, sorry.”
The intern, Clint, rounded the corner of a building, coming into view with a grimace. “That makes sense, you two are always competing in some fashion.” He smiled at the two of them. “Anyway, so I was sent to tell you about this meeting the agency is thinking about sending you to…”
---
Occasionally, they ran around with the same crowd on the weekends.
It wasn’t often that Izuku frequented bars, and he was fairly certain that it wasn’t Katsuki’s favorite past time, either. However, Eijiro and Mina loved a good live music performance and the local breweries, so when the two invited them out to catch up, it was often at one such establishment.
Eijiro had presented as an alpha as well, and Mina as a beta. The two were close friends now, reminding Izuku of himself and Ochako. Denki occasionally joined them on their mini get-togethers, but he lived a couple cities over now and couldn’t always make it out. Ochako and Iida were expecting a baby soon, so they often opted to stay home – or, at least, Iida insisted they stay home for the safety of Ochako and their future child. Izuku couldn’t wait to see what kind of overprotective helicopter dad Iida became when their baby girl was born. He also couldn’t wait to see what kind of quirk she might have.
With a bright smile, Izuku waved at his friends as he made his way through the brewery. He gave them both hugs in greeting before pulling out a seat.
“Hey, ‘Zuku!” Eijiro beamed, all excitement and enthusiasm as usual. “Good to see you, man.”
They spent some time catching up, Izuku slowly nursing the single beer he planned on getting for the evening, and eventually, Katsuki appeared, his scent announcing his arrival to Izuku long before he laid eyes on his physical body.
Katsuki tried to get away with a noncommittal nod in greeting, but Eijiro wasn’t having any of it. He leapt up from his chair and pulled the blonde into a warm bear hug before Katsuki could protest. “Katsuki!” He exclaimed. “Bakubro, man have I missed you!”
In the exchange, Eijiro’s face came just a little too close to Katsuki’s scent gland when he buried his face in the blonde’s shoulder, and Izuku’s instincts roared to life before he was able to stop them. He snarled aggressively, standing and shoving his chair out behind him, possessive and protective pheromones exploding from him.
Katsuki pulled away from Eijiro sharply and snapped back at Izuku, growl in his throat and teeth peeking through his lips. Eijiro removed his hands from Katsuki quickly, showing his hands in the air as a surrender. “Woah there, Izuku. Sorry, man.” He apologized. “I didn’t know, uhm. That this was a thing between you two – “
Katsuki snapped at Eijiro this time, growling, effectively stopping the man from completing his sentence. “Shut up, Shitty Hair.” Then, he turned his attention back to Izuku, placing an explosive, warm hand on the freckled man’s chest, pushing him back down into his seat even as Izuku growled in response. Izuku’s chest burned where Katsuki touched it. “It’s fine, idiot nerd. It’s just fucking Shitty Hair.”
Izuku forced his alpha instincts down, feeling a hot flush rise up his neck and filter into his cheeks, embarrassment flooding his veins. “Oh my god, I’m so sorry. I didn’t mean to do that – I don’t know what happened.”
Mina tugged Eijiro back down into the seat next to her, smiling warmly. “It’s fine, Izuku!” She soothed. “No harm done. Alpha instincts and all that. We know Bakubro has always been very important to you, and you haven’t seen us in a while.”
There was still a low growl in Katsuki’s throat as he sat down next to Izuku, but it settled quickly. Sheepishly, Izuku ducked his head, turning to look at Katsuki once Eijiro and Mina were drowned in a conversation of their own. “Sorry, Kacchan. I didn’t mean to… overstep.”
Katsuki grunted in acknowledgement. “Whatever.”
Izuku knew that was the only comment he was going to get on the matter.
The reunion continued without further incident and Izuku pointedly didn’t comment on the pleased scent he picked up from Katsuki every time Izuku would accidentally brush against the blonde.
---
As one of the top alpha heroes with a smile made of sunshine, a heart of pure gold, and no ring on his finger, Izuku had a lot of fans and a lot of interested suitors.
He fiddled with the champagne flute in his hand, smiling awkwardly at the woman who was desperately flirting with him – twirling her hair, talking about how strong and wonderful he was, dropping key phrases, strong alpha, protective potential mate, powerful hero. She was doing all the right things to court most alphas. However, much to her disappointment, Izuku’s type was blonde, explosive, male, wild, and named Katsuki Bakugou.
Katsuki watched the display from the punch bowl – he had been hiding most of the night, determined to avoid the journalists and fans and questions bound to bombard him at the charity event. He clutched the glass in his hand a little more firmly than necessary, simmering gaze glaring at the omegan woman chatting up Izuku.
She smelled awful. And Katsuki had probably had too much to drink.
A low grumble in his chest, Katsuki stalked toward the pair, sliding into the conversation easily. “Deku.”
Izuku’s eyes were on Katsuki before the blonde made his way into the conversation. Eyebrow quirked, he couldn’t help but pick up on the trace of possessive jealousy and anger in Katsuki’s scent. His alpha preened and fought to comfort in response. “Yes, Kacchan?”
Katsuki didn’t acknowledge the other omega at all. “Mina was looking for you. In the hall. I’ll take you.”
An obvious lie. Mina wasn’t even there. Izuku bit his cheeks to keep from smiling wide and bright. “Okay, sure.”
When they were alone, Katsuki whirled on the alpha, growling. “Why were you even fucking entertaining that omega?” He hissed. “It’s rude to lead people on.”
Izuku tilted his head. “I was just talking to her, Kacchan. I don’t really see why you care?” He inquired, digging, digging for something tangible from Katsuki. Words. Clarity on what was going on between them.
The blonde snapped his jaw shut, turning away and glaring. His scent was still stressed, angry, and his body language mirrored it. Izuku yearned to change the defensive behavior. Tentatively, he stepped forward, hand coming up so his fingers could flit over Katsuki’s arm gently, feather-light.
He watched Katsuki tense, looking for any indication of absolute discomfort as he pressed forward, trailing his nose along Katsuki’s shoulder toward his neck, a low noise rumbling in his chest, pheromones designed to calm and induce submission filling the air.
Katsuki growled in defiance but didn’t pull away. He continued to growl warningly even as he tilted his head slightly, allowing, welcoming Izuku’s tentative exploration.
Izuku made a pleased sound from the back of his throat, nosing Katsuki’s scent gland, lips pressing against it softly even as his entire body burned with the desire to sink his teeth into it.
Katsuki’s growl turned into a soft, approving sound, and Izuku thought he was going to lose it.
Quickly, he put space between them, eyes wide and breath heavy, body angry at the sudden air separating the two bodies. Katsuki’s head whipped toward Izuku, confused expression making Izuku yearn desperately to press his body against the blonde’s. This was the second time where Izuku had gotten close, and then backed away.
“I –“ Izuku swallowed, throat dry. “Jesus Christ, can we talk about this – whatever the fuck this is – when we both haven’t been drinking?” He pleaded, nails digging into his palms to ground himself. “Please, Kacchan?” He murmured, eyes heavy. “Please, omega?”
Katsuki’s lips parted slightly, lids heavy and body screaming for Izuku’s. Izuku could smell it in the air, and it took everything he had to not step closer again. The blonde nodded, slightly dazed. “Yeah. Yeah, okay.”
---
They didn’t find time to have the conversation until a week and two days later after they were released from a particularly grueling meeting. Izuku glanced at his watch. It was already 8pm, and he was starving.
Swallowing his nerves, he turned to Katsuki as he grabbed his messenger bag. “Want to get dinner?”
No frills, no exasperated sentences. Straight to the point. Katsuki approved. He raised his chin, licking dry lips. “Sure.”
They decided to stop at a ramen stall on the way back to their apartment complex – they lived in the same building. On second thought, Izuku was amazed that they hadn’t jumped each other yet given their living proximity and their constant contact at work.
The ramen was warm and filling. Izuku paid, even though Katsuki grumbled at the offer. The walk from the ramen stall to their apartment building was quiet, tense, anticipation and anxiety encircling the duo.
When they reached their building, Izuku finally stopped. Turning toward Katsuki, cheeks flushed, he took a deep breath – filled with Katsuki’s scent, dammit – and spoke, words rushed, “Kacchan, I really like you and I really need to know what is going on between us because I really, really want to claim you but I have, quite honestly, no fucking clue what you want or if we’ve been courting, and it’s driving me out of my mind.”
Katsuki stared at the freckled man silently, eyebrows raised. Then, suddenly, his lips broke into a wicked grin. “Yeah, I know.” He responded, words hot. “I’ve been waiting for you to just fucking do it.”
Izuku felt heat flare up his neck at Katsuki’s response. “Just do it?” He squeaked in an incredibly un-alpha-like fashion. “I’m not just going to claim you without your consent! That’s not okay!”
Katsuki huffed, cross his arms defensively. “What the fuck, Deku. I’ve been giving you all of the greenlight queues. Letting my scent off – for a while now. The flirting. Calling you fucking alpha. And I thought you were finally going to do it the other night at the charity event and then you pussied out.” He grunted, looking away. “Which I do fucking appreciate because you’re goddamn respectful and that’s a great quality, but God damn, Deku. Take a hint.”
Deku stared at Katsuki, a bit dazed, but his inner alpha was swooning and panting and roaring to life. “Wait. Okay.” He paused. “So. You want me to – you want to do – “ He pointed a finger between the two of them. “This?”
Katsuki rolled his eyes. “Yes. Actually, if you don’t take me up to your apartment right now and, at the very least, kiss me, I am going to find a different alpha who can handle the challenge.”
At that, Izuku growled warningly, body jolting forward and hands reaching out, sliding against Katsuki’s sharp jaw and pulling the omega forward, pressing his lips to the blonde’s.
It was frantic and hot and a bit uncoordinated. Katsuki stumbled backward, spine pressing against the column of concrete behind him as Izuku took little time in pressing his body to Katsuki’s. The blonde mewled into the kiss as Izuku’s fingers grazed over his neck, pressing against the sensitive skin of Katsuki’s gland, pleased rumble in his chest.
“Mine.” Izuku growled, when he pulled away, nipping at Katsuki’s lower lip. “Don’t you dare even think about another alpha.”
Katsuki panted, head lolling to the side lazily, exposing his neck in the first very obvious sign of submission that Izuku had ever seen from him. His warm fingers traced up Izuku’s arm. “Then give me a reason not to, alpha.” Katsuki challenged.
Izuku snarled, teeth snapping as he pressed Katsuki into a hot, wet, open-mouthed kiss. It was commanding and dominating, demanding all of Katsuki’s attention and coiling a promise of something hot and needy in the blonde’s stomach.
When Izuku pulled away, Katsuki’s gaze was nothing but simmering want, fingers harsh against the skin of Izuku’s arms, breath hot. Izuku’s lips pulled back into a feral, hot, hot, hot grin. “Upstairs, now.”
---
Katsuki had always been fiery, stubborn, and dominant, regardless of his secondary gender. Izuku was certain that those characteristics were part of the reason he found Katsuki so attractive. Izuku liked a challenge. Katsuki was a challenge.
Izuku expected no less of the omega when it came to intimacy.
When they found themselves upstairs in the safety of Izuku’s apartment and a locked door, he wanted to shove Katsuki up against the wall and lick into his mouth, but the omega was moving away from the dark-haired man. Izuku’s brows furrowed in confusion, the alpha within him concerned about his potential mate’s distance. He scented the air, picking out the distinct feeling of desire and heat and… rogue mischief.
Oh.
Okay.
Izuku smiled, feeling his heart slamming into his ribcage as Katsuki slowly walked backward toward the inner walls of the apartment, eyes watching Izuku intently. Izuku felt the heat of One for All zip under his skin. He licked at dry lips.
Katsuki sniffed. Picked up on Izuku’s arousal and affection. Grinned, like a Cheshire cat. “Try not to break any of your precious hero figurines, alpha.”
And then he was leaping backward, and Izuku was lunging forward, the chase begun.
The apartment was more of a loft. It was large – large enough for this game they were playing. Hero work did pay relatively well, after all.
Izuku growled as he chased after the blonde, who leapt over his couch, sharp grin on his lips. Izuku skidded to a halt on the other side of the couch, reading Katsuki’s movements. The omega’s grin turned wicked as he leaned forward, pressing his palms to the back of the couch, scent beckoning Izuku closer.
Izuku narrowed his eyes. Katsuki licked his lips. “C’mon, Deku.” He murmured, tilting his head slightly, teasing Izuku with the prospect of getting to press his lips to his skin. “You can’t have me if you can’t catch me.”
Katsuki’s scent was filled with so much desire that Izuku thought he might choke on it. It filled his pores, making his breathing heavy and his pupils dilate wide and dark. He was certain his own scent was just as strong, just as loaded, and Katsuki looked just as effected.
“You know I don’t ever go after anything that’s easy, Kacchan.” Izuku countered, creeping closer, releasing alluring, relaxing pheromones even though he knew Katsuki would be able to ignore them relatively well.
Katsuki inhaled heavily, looking temporarily dazed by Izuku’s heady scent, and Izuku lunged.
Katsuki snapped his jaws with a playful growl, rolling his body out of Izuku’s reach and launching himself into the air with his quirk. Izuku was infinitely grateful for the high ceilings of his loft. With a grin, he leapt upward, One for All propelling him easily.
The two leapt and bounded around the apartment, narrowly avoiding precious hero artifacts and gifts from friends and family, knocking over only a few items - a lamp that Izuku didn't really care about, the pile of blankets on the armchair, a few stacked books. Every time Izuku would almost graze Katsuki’s skin, the blonde would dart out of his grasp with a sudden shift in his movements, and Izuku found himself constantly impressed (and frustrated) by the fluidness and flexibility in Katsuki’s mobility.
What an exquisite catch he was. There was no other potential mate for Izuku other than Katsuki.
Katsuki launched himself down the hall toward the bedroom, and Izuku felt the heat that had been hanging low in his belly crawl over the rest of his skin. There was no way Katsuki would be able to escape back down the hall unless he literally exploded his way out… and Izuku would be quite pissed if they actually destroyed his apartment in this process.
Katsuki’s scent was everywhere when he softly approached the bedroom and kicked the door open gently. Katsuki stood on the farthest side of the room, behind the king-sized bed that Izuku had indulged in purchasing, even though he certainly didn’t need a king-sized bed for just himself. The omega clutched the shirt in one hand that Izuku recognized as the one he'd slept in the night before, and he felt hot arousal dip down his spine at the knowledge that Katsuki had probably been scenting it.
He stepped into the bedroom and closed the door, locking it behind him. With a soft, affectionate smile, he spoke. “Got you.”
Katsuki snarled, but it wasn’t threatening. He dropped the shirt in his grasp. “Not yet.”
Narrowing his eyes, Izuku launched himself across the room before Katsuki could think to avoid, arms wrapping around the blonde’s waist and effectively throwing him down onto the bed. The movement caught Katsuki off guard, but his scent gave away his approval even as he glared up at the alpha above him.
Izuku smiled. “Now?”
Katsuki rolled his eyes, still, even as he was pinned, reluctant to admit defeat. “Maybe.” He huffed, but his lips turned up in a small smile, his head falling to the side submissively.
Izuku growled low in his throat at the sight, wasting no time in leaning down to nose at Katsuki’s scent gland, releasing a hot, simmering, dripping flush of desire and affection. “Well…” Izuku murmured, licking an experimental stripe across the gland and reveling in the way Katsuki’s body jolted. “I mean, if you don’t want me, I guess I can go find a different omega to court…”
Katsuki snarled, hands coming up to tangle in Izuku’s curls, yanking harshly. Izuku hissed. “I’ll kill them. And you.”
Izuku barked out a laugh, face nuzzling into Katsuki’s throat affectionately. “I absolutely don’t doubt that.” He murmured. Then, he placed soft, open-mouthed kisses up Katsuki’s jaw until his nose knocked against Katsuki’s, lips close but not touching. “I’m going to kiss you now. And then I’m going to fuck you. Is that okay?”
Katsuki’s pupils dilated at Izuku’s words, body arching of its own accord. He looked slightly taken aback by Izuku’s brazenness, but certainly not off put. If anything, Izuku thought Katsuki might like the crassness, so unlike Izuku’s usual character. With a bob of his Adam’s apple, Katsuki nodded. “Yeah. Okay.” He murmured, licking at his lips. “That’s a good plan.”
Izuku grinned, and then stole Katsuki’s lips, pulling him into something hot and heavy, filled with pent up feelings and emotions that had been suppressed for too long. It was fast and a bit sloppy, but neither of them seemed to care. Katsuki pressed up into Izuku softly, legs parting easily as Izuku slid between them, and Izuku hummed in appreciation and approval at the blonde’s willingness to proceed.
Once clothes were discarded, Izuku latched onto Katsuki’s neck, panting hot into the blonde’s ear. “I’m not going to claim you.” He murmured, and Katsuki whimpered in disapproval. Izuku kissed his scent gland, wrapped his lips around it, sucked. Katsuki keened, back arching and nails digging into Izuku’s bare shoulders. A rumble grew from deep within Izuku as he drew back, tongue full of Katsuki’s aroma. “I’ll bite you. I’ll mark you.” The alpha muttered, words a little slurred as his brain slowed in the fog of desire. “You’re mine.” He growled, lapping at Katsuki’s neck again. “But I can’t claim you permanently yet. We’d both freak out afterward.”
He was right. Katsuki knew that. The logical part of him knew that. But the rest of him, the omegan side, raged at the logic. He snarled, but it turned into a whine when Izuku nipped at the sensitive skin around the gland. Fingers slid up Katsuki’s chest, tweaking a nipple. “Behave.”
Katsuki moaned hotly, head falling back and chest heaving. “I’ll behave when you give me a reason to.” He snapped, stubborn and defiant until the end. Bratty.
Izuku growled, snapping his hips forward, erection hot and heavy, pressing against Katsuki’s. His lips wrapped around Katsuki’s scent gland again, sucked hard, tongue flicking, and then he was suddenly everywhere, all at once.
Lips on hot skin. Tongue teasing sensitive nipples, tasting salty, heated flesh. Fingers dipping below the belt, teasing, grazing slick skin. Katsuki’s nails raking over his back, tugging at his hair.
When Izuku pressed his nose to the inside of Katsuki’s thigh, hot breath teasing Katsuki’s dripping erection and tongue tasting the slick that slid between them, they both lost it.
Izuku surged forward, tongue sweeping inside of Katsuki, strong, scarred hands prying Katsuki’s thighs apart and heaving them over his shoulders. Katsuki was writhing when he pressed his fingers inside as well, a flushed mess above him, sparks igniting from his palms and stinging Izuku’s skin in a way that Izuku should have disliked, but instead loved.
Katsuki’s hips bucked, thighs quivering, overwhelmed by both too much and not enough all at once. He whimpered, words falling out of his mouth without his permission. “Deku, Deku, Izuku, please.” He murmured. “I’m going to fucking punch you if you don’t give me more – I need more.”
Izuku’s alpha howled at the words, pulling away from Katsuki’s sopping entrance with the smell of Katsuki burning his entire being. “Okay.” He murmured, green irises barely visible around his blown out pupils. He kissed back up Katsuki’s body, pulling the omega into a hot, sloppy kiss that tasted like himself.
Katsuki moaned, pushed forward, switching their positions. Izuku snarled at the change in dominance, but Katsuki was having none of it. Quickly, he fumbled around in Izuku’s bedside drawer for a condom that he was lucky to find, and rolled it on Izuku’s aching length easily, fingers teasing. Then, Katsuki nipped at Izuku’s neck, tugged at his ear with his teeth, pressed himself close, rubbing his slick against Izuku’s erection. “C’mon, alpha.” He crooned, hips gyrating teasingly. Izuku’s back arched, hot fingers gripping at Katsuki’s hips. “Give me what you’ve got.”
With a hot moan, Izuku pressed up at the same time he pulled Katsuki’s down, sliding into the blonde with some resistance, but the way Katsuki’s head fell forward, breath stuttering, made Izuku realize that this is exactly how Katsuki wanted it. He used his force to push himself up, switching their positions again until he was on top of the blonde so that he could fully sheath himself. Then, he pulled out, slid in, out, in, out, in, easily, gently, testing the waters, until Katsuki growled, pulled at his hair, and snapped, “Jesus Christ, fuck me already.”
So, with a feral grin, Izuku did.
The pace was brutal, had them both crying out and panting, nipping and scratching at skin, tugging at hair, and kissing swollen, sloppy mouths. It didn’t take them long to reach the peak, Katsuki there first, whimpering, moaning, begging, and Izuku, with the little bit of control he had left, leaned down and kissed at Katsuki’s scent gland before sinking his teeth into skin easily, marking the man as his mate.
Katsuki came moments after, body clenching around Izuku. The taste of Katsuki in Izuku’s mouth and the feel of Katsuki around him pushed Izuku forward. Katsuki was oversensitive by the time Izuku came, knot expanding and catching, Katsuki’s name on Izuku’s lips like a mantra and Katsuki purring at the sensation of being full for the first time in a long time and marked for the first time ever.
Izuku fell forward, collapsing on top of the blonde, limbs shaky as he kissed gently over Katsuki’s neck, licking at the bite mark he had left there. Katsuki shivered in response, and Izuku reveled in the feeling and the way their scents intermingled. After a few moments of heavy breathing and quiet post-coitus cuddling, Izuku nosed at Katsuki’s jaw, vying for attention.
“So uhm. This was awesome, and I’m glad we’re, like, doing this.” He muttered, feeling the onslaught of a mumbling rant bubble in his throat. “But like, I think we should probably try and work on our verbal communication skills because if we had just talked this out like the adults we’re supposed to be, we could have been doing this a whole heck of a lot sooner. And I really – “
Katsuki clamped a hand over Izuku’s mouth with a growl, face turning to nuzzle into Izuku’s curls affectionately and contentedly. “Deku, fucking shut up.” He muttered. “I like you, too, and I’ll be more explicit with you when I want to fuck…”
Then, a grin – “Maybe.”
Izuku groaned into Katsuki’s neck, but couldn’t help the wide, pleased smile that stretched across his face.