Work Text:
It’s his favorite time of the year. Mating season. Not because he’s some horny idiot looking to get his dick wet like the other assholes who are here. No, Katsuki? He just likes to fight.
The air reeks with rut, sweat, and blood and Katsuki takes in a long breath of it. Not because he finds it pleasant, fuck no. It riles up his blood, elongates his fangs and kickstarts his baser instincts. It's a taste of violence in the air and it makes him smile in a way that's unnerving to most onlookers. A grin that's just a touch too maniacal to be considered giddy.
The cloying smell of the gathered omegas adds a touch of sweetness that almost ruins it for him but he ignores it as he does every year. He’ll do the same with their cheers and their propositions too. He isn’t here for them anyway. Instead he lets his eyes roam across the alphas warming up in the clearing, sizing them up and sorting them each individually into two categories. One for those who will provide him with good competition, and the other for those who he’s going to release his pent up aggression on.
He glances at the board where his picture among many others rests. All of them are evenly distributed across the bottom, but as the fights begin those pictures will be separated and sorted by the victors with the losers remaining on the bottom. He wrinkles his nose at the sight of his picture amongst the others, a snapshot of his scowl he was forced to admit with his application along with his immunization records and all of that other bullshit he needed just to be allowed to pummel these extras.
Despite the pain in the ass and the hassle, it was nice to know that if some desperate moron decided to bite him mid-fight he wouldn’t get any diseases from blood or saliva. You really never knew with some of these alphas and the cocktail of pheromones produced in the arena. Some of the amateurs get feral with the amount of aggression and thickening of the air. If they enter a feral mindset it's hard to predict what they may do for a chance to win and impress their desired omega.
So far it doesn’t look like he has much to worry about. There are alphas of all shapes and sizes here to fight, but even with the variety he doesn’t have shit to worry about. Katsuki smirks at a few of them who wrinkle their nose as he walks by. They can’t even handle the wafting aggression in his scent, the potent stench of alpha that he normally has to contain in everyday society. The arena is the only appropriate place to let it roll off of him freely and he does so with a sick sense of glee knowing how pungent it is, a blatant indicator of his virility and strength.
Some of the alphas don’t glance at him as he walks by. These he makes a note of since clearly they are either more seasoned and are not as easily unnerved by a strong scent or they are more confident in their abilities. He singles out two other alphas in particular. One is built and stocky, and doesn’t look up once from his shadow boxing. A red headed alpha with noticeably sharp teeth. Katsuki safely places him in the competition category.
The other one he puts in the punching bag category. He’s stretching on the ground, eyes closed and looking content, as if he were only doing his routine morning yoga. As if he weren’t about to fight for the chance to fuck. Some kind of a green haired hippie pretty boy type. Katsuki snorts at how out of place he looks. Lean but muscular, and that dainty face…. It won’t be dainty much longer if he ends up being one of the sorry souls to fight Katsuki today.
Katsuki doesn’t bother doing any kind of warm up. He got up early today to prepare for the day. Almost like a kid on his first day of school, but instead of picking out his outfit and getting his backpack ready he was going on a run, eating a strategic meal, and getting his body ready to beat the shit out of some strangers. It was slightly different but the excitement was the same.
There was no need for him to warm up so instead he chose to glare at anyone close by until the judges of the fights called them all together to begin. The fights usually went on until one of the participants gave in or couldn’t physically fight anymore, but sometimes judges were needed when a fight was going on for too long or if there was a stalemate. Outside of the fights they were hosts for the crowds there to watch. One of the judges, an alpha by the name of Aizawa, was at the center of their group and explaining the rules for the younger alphas who either haven’t participated before or have only attended for a couple of years.
After the rules were all said and done came the moment Katsuki had been waiting for all year. Aizawa sighed as he revealed the bracket for this year's fights. Katsuki felt that grin settle across his face as he made eye contact with the alpha set to face him first, much to the man’s visible discomfort. There were a few fights to watch before it was his turn. He chose to settle himself in the meantime to enjoy the carnage around him and analyze the fighting style of his competitors.
Katsuki and the other alphas who weren’t currently fighting stuck close to the walls of the arena while the people in the stands above their heads cheered and berated the alphas who fought. Heaven forbid any of the waiting alphas got in the way of their view. Afterall, the entire reason they were here today was to put on a show for the crowds and especially for the omegas who were in season and ready to choose a mate. Others who were not omegas usually were placing bets on which alpha would win, to which Katsuki prided himself on hearing his name the most when those bets were being placed.
For the sake of time they had two pairs of alphas fight at once to fill the brackets faster. Each pair got their own side of the arena, and Katsuki always made sure to stand in the middle so that he had a good view of both. On his left was the two of the stockier alphas of the group, each evenly matched in height and muscle. Katsuki leaned forward as they circled each other, snarling and sizing the other up. Finally they both lunged, impatient and driven by aggression. Zero skill or finesse was involved but Katsuki still enjoyed the grappling and wild punches. It was nothing but carnal instinct and Katsuki savored it like a new budding flower feeling the first rays of sun on its petals in the springtime.
He was grinning up until a strange hush drew his attention towards his right. The fight couldn’t have been going on for longer than five minutes if this one had started at the same time as the other, but just like that Katsuki had missed it. Pretty boy was standing in the center of the clearing with another alpha at his feet, grinning at the crowds who broke into hysterical cheering at his immediate victory.
Katsuki felt his face twist up as if someone had shoved a dirty sock in his face. That idiot won his fight that quickly? What the fuck was going on? He wasn’t small by any means but he wasn't big enough to have felled his opponent so quickly. With a scowl Katsuki elbows the guy standing next to him. “The fuck happened over here?”, he asks none too politely.
The guy, that stocky red head from earlier, smiles, unperturbed by Katsuki’s rudeness. “It was wild! That guy with the green hair did this crazy spinning martial arts thing and kicked that guy right in the head. Bam. One and done.”
Katsuki grunts in response, narrowing his eyes as he watches pretty boy walk off and join the others at the side lines to spectate the remaining fight. Katsuki turns back to the original fight with a huff but filed the new information away for later. Apparently that guy was a bigger threat than he had first thought.
The second fight lasted long enough for each Alpha to wear the other down. The remaining victor was struggling to suck in air between his fangs, staggering on his feet with exhaustion. He’d be easy pickings for his next opponent if he ever caught his breath enough to fight again. Hormonal idiots. Heh.
Katsuki doesn’t even look when they carry the unconscious man past. He walks into the center of the arena before his name is even called. The other alpha that he was matched with looked like he was regretting all of the decisions that brought him to this exact time and place. His unease put a wolfish grin on his face, scenting the fear like a shark with blood in the water.
To his credit the other man walks forward, spine erect, chin high and determined. Katsuki can respect his bravery but ultimately it gets him nowhere. The sound of the bell is crisp and clear through the air and it pulls him clear into focus, away from the cheers and the whistles. Like one of Pavlov's dogs his fists fly up at the sound. He doesn’t need to circle this opponent, doesn’t need to appraise. He takes a direct attack, he’s larger, broader, stronger and he doesn’t see a point in dragging the fight out.
He lands hard heavy punches against the others arms. Unrelenting, snarling, heavy blows until one of the other alphas arms drops low enough for a clear opening to his jaw. Katsuki takes it mercilessly, fist connecting solid and true, faster than the other man could hope to counter. His unconscious body hasn’t even fully settled in the dirt before Katsuki is turning to walk back to the sidelines, discontented sneer on his face.
He looks up and is immediately met with green eyes, intense and studying him. Sharp and focused, calculating. Pretty boy keeps his eyes on Katsuki as he approaches. Good. He should keep his eyes on Katsuki if he was smart. Katsuki makes sure to shoulder check the other as he walks by, letting his stench and sweat rub against him momentarily. Let him wear the scent of a real alpha for a while.
He struts forward without looking back, preening under the wary gazes of the other witnesses to his fight. He pretends not to notice them as he joins the onlookers of the other fight, which was unsurprisingly still going. Katsuki’s fights usually ended quick enough to catch the end of the other match. The red headed alpha he had taken note of before was tanking hits like nothing from his opponent. Like he was made of stone he shook off blow after blow while the other alpha became tired. Finally the red headed alpha landed several hard punches to the others ribs in quick succession, ribs bruising and breaking under his fists until there was a cry of submission.
The fights continued like that through the morning. Katsuki’s eyes flicked and lingered on the man with green hair, watching him watch the fight. Usually he would be nibbling on the tip of his thumb, sometimes he would stop and his lips would move rapidly behind his hand as if he were mumbling. By the time it was his turn to fight again the sun was a little higher in the sky, and this time Katsuki would watch.
Pretty boy walked to join his opponent, posture loose and confident. It irritated Katsuki but so did the look on his opponent's face. Blonde with a smirk that was asking for a fist, grey eyes condescending as they ran up and down the green haired guys form. They were similar heights but pretty boy had more muscle mass. He didn’t pay much attention to blondies fights so he wasn’t sure which one of them he expected to come out on top.
The bell jolted Katsuki out of his musings, he stood up a little straighter as the two alphas began to creep closer to each other. Katsuki couldn’t hear anything over the whoops and jeers of the crowd but he could see blondie's mouth moving around that disgusting smirk. Taunting, jeering, but overall having only the effect of pinched eyebrows on the green haired alpha. Finally pretty boy made the first move, putting weight only on the balls of his feet, fast, agile. He struck the heel of his foot into the tender spot on his opponent's inner thigh.
Katsuki felt an odd sense of proud satisfaction when that got blondie's mouth to stop moving. The first kick was followed by another, high and fluid, straight to the other's sternum, driving him a few steps back. Pretty boy didn’t press his advantage, allowing the other to catch his breath which was clearly just knocked out of him. Trying and failing to appear unaffected, Blondie came back with a little more caution. This time the green haired guy didn’t wait for the other to attack, he came in fast and ducked out before a single hit could land on him. He was like water just before the falls, fast and unrelenting, but fluid and graceful.
Katski allowed himself to be begrudgingly impressed for a moment before there was a sudden change in the dynamic of the fight. Blondie, clearly letting his frustration get the best of him, decided to charge at the other who used his momentum to throw him to the ground. Pretty boy stood over him, ready to end the fight once and for all when suddenly blondie was grabbing a fistful of dirt. Katsuki knew the cowards move just seconds before it happened, but unfortunately from his angle of sight pretty boy did not. Blondie reared back, throwing his pitiful fistful of dirt into the green haired man's eyes, blinding him and using that advantage to rear up and tackle him to the ground, throwing punches wildly at his face.
Katsuki felt himself lurch forward, along with several others, to stop the fight and throw that cheating bastard out. Before anybody could get close enough to interfere there was deep snarl, loud and murderous. Katsuki froze, eyes widening, as he watched pretty boy flip their positions on the ground. He felt the hairs on his arms raise as he caught sight of blazing green eyes, shining like nuclear reactor cores, brighter because of the dirt surrounding them. Blondie was down on his back, pinned, trying to bare his neck in submission but hindered by the hand wrapped around his throat. The green haired alpha wasn’t looking for submission though, just blood. Katsuki watched rapt as the other alpha drew his fist back again and again, fangs bared and red with his own blood dripping down from his nose.
It took three other alphas to pull him off until it was clear he was finished. Pretty boy shook them off and walked himself to the medical station. His eyes met Katsuki’s once more but this time there was more pupil than green, primal. Pretty boy lifted half of his top lip in a silent snarl at Katsuki as he walked past, showing off one long bloody canine. Not a threat but a warning.
Katsuki felt his cock twitch, ignoring it in favor of analysis later as he turned to watch the other man grab his water bottle, dumping it over his face and hair as he was ushered into a chair at the medical station. He didn’t tear his eyes away until a voice beside him spoke up.
“Now that was manly. I hope I don’t have to fight him.” It was that red headed alpha from earlier.
“Eh.” is all Katsuki could respond. It was manly. Alphan. Not that he wanted to sing the guys praises before the tournament was even over.
“I wouldn’t want to fight you either tho! But I suppose I probably will before the competition is over. My name is Eijiro but you can just call me E.” The acknowledgement to himself makes him warm to the other alpha slightly. He offers his hand and his name in response. E’s grip is solid in Katsuki’s hand.
They continue to watch the fights together. Katsuki’s in compatible silence and E giving commentary on ‘cool moves’ or a well timed punch or kick here and there. Katsuki subtly keeps an eye on pretty boy getting his eyes flushed at the medical station. He only misses one round before he is walking back, in control again by the looks of it.
Eijiro follows Katsuki’s gaze and beckons the green haired man over before Katsuki can tell him not to. “Hey dude! You want to watch the fights with us?”
Pretty boy tilts his head, curious as he gets closer. Katsuki’s eyes move to the bare skin of his throat before his brain has a say in it. It makes him frown as the other approaches. “That was so uncool what that guy did I’m sorry that happened. I’m Eijiro but you can call me Ei. This is Katsuki” Katsuki only grunts a half assed greeting.
Pretty boy takes the offered hand. Their palms clap together loudly and they both smile. “I’m Izuku, nice to meet you both. Yeah I definitely wasn’t expecting that.” His eyes were red rimmed with irritation. It only made the green all the more striking.
E’s smile turned a little joking. “I bet he won’t do it again after that.”
Izuku rubbed the back of his neck sheepishly, cheeks pinkening. “Yeah I guess I uh, lost control there for a sec.”
“Guy deserved it.” Katsuki scoffed. “If you hadn’t done it I would’ve.”
They looked at each other for a long moment before Katsuki was pulled away by several people shouting his name. He was up apparently, this time against a female alpha if that woman standing alone in the clearing was his opponent.
“Be right back.”, Katsuki said dismissively before sauntering forward for his next fight. He had watched her fight her last opponent. Long brown hair, built and muscular. Big calculating eyes to match her round face. She was strong with some martial arts skill from what he had seen, slightly more challenging than his last match. He nodded to her as the bell chimed and she nodded back, fists up and feet shoulder length apart. He doesn’t charge forward like he did the last one, knowing that he’d get knocked on his ass this time around. They circle each other slowly, focused.
He throws an experimental jab which she sidesteps and answers back with her own. Katsuki takes special notice of the force behind it as he blocks with a forearm. She doesn’t give him much more time to think than that. Lurching forward she goes for his leg, trying to unbalance him and failing just so. Hands are on his calf but instead of fighting it he goes forward towards his opponent, reaching out with his hands to grab onto her head so he can drive his knee up into her nose. Like an ox fighting against its yoke she lifts her head against the influence of his hands so that his knee misses his mark just so. The click of her teeth slamming together is almost enough to make him wince but he doesn’t, only grins wildly at the sight of blood on her lips through a bitten tongue.
To her credit she recovers quickly, more so than he expected, and twists out of his grip before he can retreat back to a safe distance. She takes one of his arms with her as she twists and he feels it twinge just as the rest of his body weight follows. This time he is successfully thrown to the ground, body connecting with dirt just in time for a clean kick to slam into his ribs. He rolls with the force of the kick and is up on his feet before the pain even registers. For that he bares his teeth at her, adrenaline moving him forward like marionette strings.
She means to use his momentum against him again, clearly experienced with some kind of judo. Katsuki telegraphs his next move, reaching for her before he really needs to all so she can latch on tight. Instead of letting himself be controlled he grabs onto her in return and rolls, taking her with and slamming her weight into the ground. They roll in the dirt, elbows and fists flying. Uncoordinated and primal, he grins even as an elbow connects with the side of his face.
They both separate and wind up circling each other. Faces bloody, elbows bruised and forearms scraped up. Katsuki can see it in her eyes that she isn’t going to give up and will not submit no matter how bloody and tired they get. He’s got to finish this and quit before he gets too roughed up to do well in his next fight. He’s got to save as much energy as he can for when he and pretty boy, Izuku, fight.
They trade blows, back and forth both slowing but neither backing down. She keeps going for the spot on his ribs she kicked earlier and it’s getting more painful to breathe. He ultimately makes a sacrifice, leaving that spot open intentionally because he knows she’ll take it, and when she does she leaves herself exposed in turn. The one who comes out victorious will be the one who lands the harder hit, and Katsuki does. Just as she leaves herself unguarded to throw a punch at Katsuki’s weak spot he rears back, leans his entire body weight into it, and lands his fist right into the side of her jaw.
This time he doesn’t walk off before the match is called. The crowd is already roaring and there are people there to help her up when she regains consciousness, but Katsuki still waits around to help her up. The closest thing to respect he’s willing to show another alpha so far in this tournament. She takes his hand and they repeat their nod from the beginning of the fight before walking back to the sidelines looking like hell.
He ignored everyone in favor of finding his water bottle and downing it in three seconds flat, noting the metallic taste from his split lip and enjoying it. Green eyes find him over the rim of his bottle, Izuku stares, not quite challenging him but something just as charged. Katsuki unceremoniously throws his bottle to the ground without taking his eyes off the other. He makes a show of bringing the bottom of his shirt up to wipe the blood and the water off of his chin, showing off the heaving muscles of his stomach as he catches his breath. It almost takes him off guard, the primal satisfaction he feels when Izuku goes predatorily still in response.
That’s right. Keep those eyes on me.
He only gets one match to catch his breath before Izuku will be at his mercy. Their fight was next after the current match and would decide who moves on to the final match, and the winner of that match would be the undisputed alpha. It’s not the final fight but Katsuki knows it's the fight that will decide the victor. The clouds began to gather in the sky, as if summoned by Katsuki’s anticipation. Almost as if they were crowding above at the chance to see the two apex predators fight. Soft droplets kissed the top of his head and his shoulders here and there. Not fully raining but a light drizzle, enough for the air to keep its heat and become sticky but not quite enough to turn the dirt beneath his feet into mud.
They called the current fight while he was speculating about the weather. It was Ejiro the red headed alpha securing his place in the top two. Katsuki probably should’ve paid more attention to it to be prepared for the final match but he couldn’t get past the adrenaline preceding his next fight. His heart felt like a songbird trapped in his chest as he stepped into the center of the field. Its wings beat and fluttered erratically as Izuku advanced from the opposite side.
He was struck momentarily by a brief attack of agitation. At himself and his body for reacting differently to this alpha in particular. Deep down he knew. His alpha recognized Izuku’s alpha. Something about him was different. Compatible. Worthy. An adversary of equal prowess. An equal. A potential.
The bell had sung some time ago, but it wasn’t as loud as the thoughts in the forefront of his mind. The rain was coming down steadier but not enough to hinder either fighter. There was a drop running down Izuku’s forehead, away from the green curl of hair. Katsuki’s eyes tracked it, watching as it slid from his nose and past the corner of his mouth to gather at the point of his chin. Katsuki sprang forward the moment the drop left his chin and met the ground.
Izuku was waiting for him, watching just as intently, pupils widening as Katsuki got closer. All of the observing in the world had nothing on what it actually felt like to fight him. Izuku was fast, much more so than he looked from the sidelines. Katsuki felt the impact against his side before it had registered in his mind that Izuku’s foot had left the ground. Mercifully it wasn’t the side of his ribcage that had taken a beating in the last fight. Something told him that that was intentional, that Izuku wasn’t going for a quick take down. He wanted a fight just as badly as Katsuki.
Katsuki latched onto his leg and held it tight against his side, using it to unbalance the other man. Instead of falling backwards like Katsuki intended, Izuku bent backward willingly, like a slinky. Katsuki watched in astonishment as his back made the shape of a bridge, now fully supported by his hands on the ground as his other leg swung into the air past his head. Katsuki released his hold to avoid getting kicked in the head, letting his lip lift in agitation as Izuku easily did a half flip to right himself back onto his feet. Bendy piece of shit.
Izuku was barely on his feet again before Katsuki was charging, this time full throttle, with enough force that it drove a surprised ‘uff’ out of the other man's lungs when their bodies collided. The syrupy satisfaction that came with the feeling of the other man's feet coming off the ground was second only to the look on Izuku’s face when Katsuki landed on top of him pinning him down with his entire weight. He stared down into blazing green eyes framed by rain clumped lashes, long and dark. Izuku had a small curling smirk at the corner of his mouth that made Katsuki grin down, leaning closer so that he could bare his wild, fanged smile right back in his pretty face.
Before Katsuki can fully appreciate the view those strong thighs are around his waist, gripping tight like a constricting snake and flipping their positions. The view isn’t bad on his back either. He’s looking up at Izuku, rain falling on his face as the other alpha splays a hand over his chest holding him down as he leans forward to snarl inches from Katsuki’s face in the same way Katsuki had been doing a few moments before. From this close there's a scent coming through, one that was just beginning to be revealed by the rain washing away Izuku's scent blockers. It was clean and earthy, cedar and moss damp with dew. It mixed with the smokey remnants of the scent Katsuki had marked him with earlier in a way that sent Katsuki’s instincts spiraling.
He drove his head forward, smashing the top of his skull upwards into Izuku’s nose with a satisfying crunch. He expected it to buy him a second to get away from the scent to think, hell maybe even let him gain the upper hand but he had no such luck. The only response was a fist crashing down against his jaw, hard enough to rattle his teeth in his skull. Another punch rained down in the same place before just as hard, making his head snap backward with the force. Katsuki was barely able to get an arm up to block the third punch.
His face hurt like a bitch but he still managed to wiggle out from under Izuku long enough to get his feet under him. He made a show of running his tongue along his teeth, tasting blood, almost surprised that they were all still there. Izuku was across from him again, nose bleeding profusely down his chin and dripping onto his clothes. He felt his breath catch when the other alpha suddenly broke out into a smile, blood in his teeth and wild eyes but no less genuine. “Having fun yet?”
Katsuki felt his own grin stretch across his face, sharp like a scythe and pulling at his tender jaw. “No. This isn’t shit.” Izuku seemed to know he was lying because he scoffed, his smile turning exasperated.
“No?”
“No.” Katsuki reiterated, so full of shit but unable to help egging the other on. The only answer he got in return was a sharp breeze cutting past his face from Deku’s foot. No doubt what he did to take out his first opponent. Katsuki recoiled, stepping backwards as the other alpha rushed forward. They came together like a dance, punches and parry’s, kicks and evasions.
The rain and sweat made the air thick between them. Katsuki made sure to pump out his strong aggressive pheromones as a taunting show of dominance. It didn’t seem to bother Izuku who kept his intense focus, who’s scent was cutting through the air now to meet Katsuki’s. Cedar, sweat, and aggression clung to Katsuki’s tongue as he sucked in breath after breath through his mouth. He swallowed the resulting saliva, curious at his own body's new response.
Izuku noticed, of course he did, the observant bastard hasn't taken his eyes off of Katsuki since their match started. The other alpha cocked his head, showing more of his neck in a mockery of submission and smirked. “You like that?” Katsuki didn’t understand what he was talking about until the scent hit him, stronger this time and more deliberate. It wasn’t the scent that one would use to show aggression or warn off an attacker; it was a softer, more sultry version of the mossy cedar scent he had been getting hints of all night. The olfactory version of a croon one would make towards a potential mate. The one alphas typically used to entice omegas and alert them of their interest.
Katsuki’s mouth was immediately flooded with saliva, eyes dropping to half mast, mouth parting slightly to take in more of the scent onto his tongue. Fuck he did like that, he liked it a lot. He drifted closer without meaning to, like the cartoon version of a man floating towards the pie cooling on a windowsill, beckoned forward by the smell. His dick was awake, his entire body was awake and buzzing with energy. To fight or to fuck he didn’t care anymore.
He gravitated forward, teeth singing for the chance to sink into flesh, and was thrown to the ground. The dirt came up to meet him faster than he was prepared for, the world was beginning to blur around him with how intensely focused he was on Izuku. The rain had made it easy for the dirt to cling on both of them, as they rolled around on the ground for the upper hand. He dug his fingers in wherever he could gain purchase on the other body. Every blow that rained down on him felt too far away; an elbow in his ribs, a knee hitting dangerously close to his now hard dick, hands holding on to harshly trying to pin him. His legs burned with the effort of trying to force the other down beneath him.
Finally he was able to pin Izuku down, one large palm splayed across the side of his freckled face and smashing his other cheek to the dirt. His other hand was tight around the wrist of Izuku’s right hand, holding it away from his body and pinning it to the ground. He was kneeling on the left, leaving Izuku immobile beneath him. Katsuki watched in satisfaction as Izuku’s chest heaved beneath him, drawing in powerful breaths like a racehorse at the end of a strenuous run.
The animal part of his brain was still snarling despite his victory, his proven momentary dominance. Mine, fought for and rightfully won. The sudden molten need to get his scent everywhere all at once burned through every rational thought. His eyes zeroed in on the pale length of Izuku’s neck, from the base all the way up to the hinge of his jaw where wet green curls clung to the skin. His tongue followed the line of his gaze shortly after, tasting the sweat and rain damp skin and groaning at its rightness.
The body beneath him had gone ridged like marble, growling low and dangerous as Katsuki crowded into the other alpha’s exposed throat again. Now that the fight was over people were beginning to crowd closer, which greatly displeased Katsuki’s animal brain. He flattened his body protectively against the one beneath him, accidentally rubbing his bulge against the solid wall of muscle that made up Izuku’s abdomen and feeling a similar hardness against his thigh that made his eyes want to roll back in his head. He rubbed again intentionally this time just to feel the way the body underneath him writhed.
The people were too close now, too loud for his liking. He was barely able to hear them congratulating him over the sound of his own blood rushing through his body. The tension he was feeling finally snapped when he felt a hand on his back, just a quick congratulatory pat but it was enough to push him into protectiveness. He sat up taller, still pinning the other alpha beneath him, and bared his teeth to anybody getting too close. There were voices being raised, too many scents, too many alphan pheromones around. The last part of his logical brain was aware that they were going to sedate him soon, and if that happened he would have to let go of Izuku and his claim over the other alpha.
Without another thought he dove down, teeth instinctually finding the perfect spot on Izuku’s neck and biting down hard. The taste of blood in his mouth, the soft pleasured whimper in his ear, the flood of Izuku’s warm release against his thigh, was enough for him to sink into bliss and forget everything that was agitating him only moments ago. He barely even felt the needle slide into him as he was promptly knocked unconscious with the blood of his new mate on his tongue.
By the time he wakes the tournament is long over. His entire body felt like it was floating like a cloud and his mind was hazy and slow. Without opening his eyes he felt around himself for another body. Katsuki frowned as he felt nothing but a flat surface around him. He was sitting up before his eyes were even fully open, growling down at the IV that tugged painfully in his arm.
It was pulled out without a second thought, leaving him free to wander out of his room and down the hall. He didn’t realize where his body was taking him until the scent became stronger. Izuku. He hurried along the hall a little faster, bursting through the door that smells strongest and walked inside without a second thought to privacy or whether he was even welcome in the first place.
Izuku was sitting up on a table. He was still caked in dirt and blood in most places besides his neck, which had been cleaned and bandaged. There was another thicker bandage across his nose, as if it had just been set, but otherwise he was simply littered in bruises. Katsuki probably didn’t look much better judging from the way Izuku’s eyebrows shot upwards at the sight of him, or it was simply that he was expecting somebody other than Katsuki to walk through the door and the thought displeased him greatly.
Suddenly the bandage over his mating bite infuriated him. He needed it out of the way so he could see, so he could reassure himself that every single one of his teeth had made their mark. He marched forward without saying a word. Izuku was standing now too, posture guarded and confused. Katsuki didn’t like it, his mate should be happy to see him. He reached out to rip the bandage off only to growl when his hand was slapped away. “Let me see it!”, he snarled. Katsuki’s pinned to the ground, faster than his drug foggy mind can comprehend, too stunned to resist.
Izuku’s voice was low and dangerous. “What the fuck do you think you’re doing? You think that you can mate me without my consent and then order me around?” Katsuki shrank back a bit, chastised.
“I’m sorry.”, he said, drugs loosening his lips. “I’ll court the shit out of you, be the best alpha.” Izuku cocked his head to the side, curious.
“Good alphas don’t mate their intended without asking.” Izuku murmured. His voice didn’t carry that threatening edge to it anymore but it was still stern.
“Didn’t mean to.”, Katsuki slurs. “Not used to liking other scents but yours was so good. Our scents together are better than anything else. Together we are better.”
The other alpha was leaning closer, as if there was a magnet in his chest pulling Izuku until he felt the cold tip of the other's freckled nose against his neck. “I felt it too.” The hair on Katsuki’s arms was standing at attention due to the sensation of Izuku’s breaths tickling his jugular. He’s never allowed another person, let another alpha, get this close to his most vulnerable spot. He tilted his chin up, almost imperceptibly, to give the other man more room. Not submission, but an allowance.
Izuku rumbled in response, pleased. It did strange things to Katsuki’s chest that his clearing mind couldn’t decipher. He just knew it felt warm and he liked it. He wasn’t as foggy as when he first woke up so it was easy to make the decision to fist his fingers in the other alphas green hair and pull his head up so that they were eye to gleaming eye. Those green eyes were dilated again, focused like a hunter. Much like before they made Katsuki’s mouth split in a feral grin.
“Fuck.”, he murmured appreciatively, dropping his eyes down to Izuku’s lips just as the other man began to lean down toward him the rest of the way. The kiss was soft for only a moment before the fight for dominance took over. Katsuki used his grip to his advantage, pulling meanly straight from the roots of that curly hair to angle the other alpha’s head. He tasted blood, whether from the previously split lip or from a shrap nip in their shared kiss. It mixed heavenly with Izuku’s taste. His eyes would have rolled if they weren’t already closed.
They sprang open when he felt Izuku’s body roll against him, bulge pressing firmly into his hip. Katsuki broke away to groan softly. “Slut.” It was meant to come out as teasing but it sounded far too breathless. There was a sharp growl of ascent in his ear, then a harsher, more intentional roll of the other man's hard body on top of him. “Just for me though, right baby?”, Katsuki teased. The sharp scent of arousal coupled with the tongue now laving against his sensitive neck had his eyes crossing.
He growled at Deku, who pulled away suddenly so that he was now sitting up on his hips, straddling him with one powerful leg on each side. “You made sure of that didn’t you?”, Izuku smirked. Scarred fingers carefully pulled off the bandage on his neck, slowly revealing Katsuki’s bite, one tooth indent at a time. It was perfect, high and prominent on his long pale neck. The other man's smirk stretched wider when he felt Katsuki twitch underneath him.
He was so focused on admiring the others' necks that he didn’t notice the hand wrapping around his own until its grip tightened, holding him down. He fought it instinctually, arching his back to buck the weight off of him but the other alpha was stone, unmoving. The hand pressed down harder while its partner found its way into his pants. His entire body jerked with how roughly his pants were yanked down. Katsuki’s red eyes did roll this time when the hand in his pants gripped him and squeezed harshly.
He was panting now, desperate as Izuku pulled him out of his pants, working his hand up and down on his cock slowly. “Who’s the slut Katsuki?” Izuku was leaning down again so that their lips were inches apart. Katsuki could only lift his upper lip in a silent snarl in response, unwilling to let any undignified noises fall from his lips. “What was that alpha?” The grip around his throat tightened as Izuku purposely exposed his neck, a mockery of submission.
Katsuki bucked his hips, snarling in frustration. Izuku let his hand remain around Katsuki’s neck as he reached into his own pants to pull himself out. The sight of Izuku pleasuring himself on top of Katsuki gave him the strength to finally switch their positions. With one powerful thrust of his legs he pinned the other man on his back, slapping his hand away and replacing it with his own. To his surprise Izuku just laid there and let him while he took the opportunity to explore Katsuki’s body with his hands. There was an insistent rough grip around his waist, up and down his back, grabbing his ass and squeezing, anchoring him so that strong hips can roll upwards with optimal friction.
The sound of fabric stretching, seams popping gives him the idea to actually help the other man remove their clothes. He sits up long enough just to peel himself out of his shirt and to give Izuku a chance to throw his own hastily to the side before he’s laying back down chest to chest. Warm skin against warm freckled skin. He paused just long enough to admire the man beneath him. Equal parts pretty and powerful, curls mused, lip split in the corner and swollen, strong chest rising with each breath. Katsuki put his palm on it just to feel his ribs expand, the hard muscles flex beneath his fingers. Fuck he was perfect.
He dragged his eyes back up to find Izuku smiling. Not the same way as before but softer. Dimples, Katsuki thinks. “The fuck are you cheesin’ at?”
Izuku sits up so that their noses brush. Katsuki allows it but keeps his hand flat on his chest just in case he needs to shove him flat again. The other man talks softly, staring at Katsuki’s mouth as if he was going to lean forward any second and claim them. “You’re happy.”, he breathes, smiling still, only now Katsuki can feel the ghost of it against his own lips. It isn’t an accusation but Katsuki’s cheeks darken as if it was. “You’re scent it's… Still smokey but sweeter. Like it’s caramelized. Warm.”
Katsuki kisses him before any more sap can come out of his mouth. This, like his scent, is sweeter. Syrupy and languid in a way that's equally as possessive as their last kisses but entirely different. “Could’ve mated worse.”, Katsuki whispered.
Izuku cocks an eyebrow. “We aren’t mated, Katsuki.”, and pointedly looks at the gland on Katsuki’s neck, devoid of a bite. His ribs feel too tight around his heart for a moment until Izuku amends “Yet.”
“Yet? Tch you’re lucky just to have the chance of mating an alpha like me.”, he says, only just a little offended. The smirk on Izuku’s face gets him shoved flat onto his back again beneath Katsuki. “I’ll show you, asshole.”
He wastes no time wrapping his hand around the other alphas cock, giving it slow firm strokes while he teases his mating gland with soft licks. Izuku arches up into him in a way that’s got Katsuki rumbling with approval, stroking just a little bit faster using the gathering precome. Izuku’s eyes zero in on his neck and he shamelessly bares it. “Bite.” Katsuki orders, His alpha voice does nothing to Izuku but he can see the way it raises the small green hairs along his arms. “I want you to.”
Katsuki would’ve thought that some alarm bells would’ve been going off in his mind at the approaching alphan cainines but it was blissfully blank. Even as he felt his skin being broken, the sharp visceral pain provided nothing but euphoria. Colors and feelings that he had never previously considered too closely came rushing through his mind, presented themselves as fireworks behind his eye lids.
Distantly he felt hands along his body, one tangled in his hair and the other one wringing out what was left of his sentience through his dick. He was emtied out and filled with something new and promising, the warmth of somebody elses being tethered to your own. He didn’t know when his arms had given out, just that he was now laying his entire gelatinous body weight onto the body beneath him while his thoughts pieced themselves back together.
“I can cook too” Katsuki says with a smirk, unable and unwilling to put words to his current vulnerability. The chest beneath his jumps with an amused huff.
“You’re not going to be the best alpha.”, came Izuku’s eventual reply. Katsuki felt his heart drop into his stomach and twist. His scent wasn’t upset by any means. Katsuki was still breathing in the warm campfire cedar their scent has become and there were no sighs of dicontent in it. “I am.” Two jovial words was all it took to put his mind back at ease.
Katsuki didn’t realize he was holding his breath until he let it out with a loud “HUH?”, uncaring with how he was yelling right into Izuku’s ear, “You think you can court a mate better than I can?!”
He lifted himself up onto his shakey arms to glare down at his mate. “We’re gonna find out soon.” Izuku smiled up at him, earneset despite the challenge. “I’m very thoughtful and a good listener. My friends always say I give the best gifts.”
“ That’s because your friends haven’t met me yet.”, Katsuki grinned. “You’re on loser”