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Bound by instinct

Summary:

Bakugo has always prided himself on his strength and independence, viewing the world through a lens of dominance and power. But as his second gender emerges, unexpected instincts threaten to unravel everything he thought he knew. When Deku, the one person he can’t stand, begins to awaken something primal within him, Bakugo is forced to confront not only his own nature but also a growing bond he never saw coming. In a world ruled by instincts, can Bakugo keep his control, or will he be consumed by something far beyond his understanding?

 

OR a omegaverse where Bakugo faces the consequences of being baka.

Notes:

Hello, moonkissz here ≧0≦ So, I was working on my main fic, but then I started thinking about writing an omegaverse. I’ve always really liked this type of universe because it’s so open and we can explore it in so many ways! So, here it is.
This will be a quicker project, though I still want to make it well-rounded and well-constructed.

Keep in mind that English is NOT my native language. Please let me know if you spot any mistakes!

Anyway, enjoy!

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

Chapter 1: Marked by heat

Chapter Text

Everything started in that damned first year at U.A. – that’s when everyone had to face the nonsense of secondary gender: alpha, beta, or omega. A ridiculous division, but that’s the way the world works.

Alphas? The top of the food chain. The strongest, the fastest, born to lead and dominate. Everyone thinks alphas are meant to control, and, well, they’re not exactly wrong. Nature gave them the instinct to protect and provide. Everyone wants to be an alpha.

Betas? Most people out there, neither too weak nor too strong. They’re the “normal” ones. They don’t get the praise that alphas do, but at the same time, no one pays them much attention either. Which is fair, when you think about it.

And then there are the omegas. The bottom of the food chain. Fragile, submissive, with that “care and nurture” instinct. The world seems obsessed with them—probably because they’re a bit rarer than the others and, of course, because any one of them can get pregnant, regardless of gender. They’re practically walking reproduction machines, or at least that’s what everyone used to think. Omegas were treated like “breeders” and nothing more.

Over time, protests arose, people fought to change things, and they managed to earn a little respect. Medicine advanced; they developed suppressants, pills… all the crap that supposedly “equalized” the genders. As if that changed anything. On paper, everyone is equal now, but deep down, nothing really changes. Prejudices still exist, and attacks continue. They just slap a shiny “equality” label on everything.

Gradually, as the year passed, Class 1-A began to show their secondary genders, and Bakugo watched it all with a mix of boredom and irritation. Betas were predictable since they could be identified early on.

It was no surprise when that damned Half-and-Half revealed himself as an alpha. He had that air of superiority, so of course, he’d see himself at the top of the chain. Then came Shitty Hair, also an alpha. He was way too friendly for Bakugo’s taste, but he had strength and loyalty that almost justified the title. Alright, he could accept it. It kind of made sense.

The Alien Queen followed soon after, and, surprise, she was an alpha too. Female alphas weren’t that common, and Bakugo figured she seemed more like a beta, but, well, that radiant smile and boundless energy showed she wasn’t like the others.

The girls, like Cheeks, turned out to be omegas. Nothing extraordinary there. He expected it, considering her demeanor—sweet, caring, always trying to help others. Female omegas were common, after all, and he barely spared a second thought on it. Earphone Jack was also an omega. It made sense; she was quiet, observant, always listening more than talking. She preferred to stay in the background.

But then one day, Yaoyorozu showed her secondary gender. Bakugo was momentarily confused to see she was an omega. The girl was strong, confident, practically a born leader. She didn’t fit the “submissive nurturer” stereotype typically associated with omegas. It bothered him more than he cared to admit. Yaoyorozu had presence, and seeing an omega so independent and powerful messed with his head—a thought he preferred not to dwell on.

Things only got interesting when Dunce Face revealed he was an omega. That day, the entire classroom fell silent. Bakugo could see the surprised expressions on several idiots’ faces. Male omegas were rare, and thinking of Kaminari as… a nurturer? Bakugo almost laughed. It was pathetic, but deep down, he didn’t care. To each their own.

But, in a way, he couldn’t help but feel a bit sorry for Kaminari. Like all omegas, he went into his first heat and was rushed to the infirmary. Poor guy, Bakugo thought, but he quickly dismissed the idea.

Then came Tape Face and Four-Eyes, also alphas. In the end, most of the class turned out to be betas. They didn’t stand out in any way, in Bakugo’s opinion. They were just there, breathing the same air, but they made no difference.

And then, there was the damned nerd—Deku. He still hadn’t revealed his gender. Neither had Bakugo. Time passed, each day, week, month, and nothing happened. Bakugo trained more and more intensely, trying to shake off his anxiety. Not that he had any doubts. He knew he would be an alpha. How could he not be? His father and mother were alphas, so it was in his blood.

One day in the cafeteria, while they were having lunch, Kirishima decided to blurt something out, full of his usual energy. Bakugo just grunted, continuing to chew, but he listened.

— Kaminari! Dude! How was it, presenting as an omega? What’s heat like? Does it hurt as much as they say? — Kirishima asked, all excited, as if he were talking about the most interesting thing in the world.

Dunce Face shrank a little on the bench, blushing with a nervous smile, nothing like his usual carefree attitude. It was strange to see him without that casual bravado.

— W-well… it was… unpleasant, heh… — he replied, his voice low and hesitant, as if afraid to say too much.

Bakugo rolled his eyes. Of course, it was “unpleasant.” What a stupid question. He glanced at Kirishima with disdain, wondering why the blockhead thought this was cafeteria conversation material. But deep down, he felt a mix of curiosity and irritation. The idea of being vulnerable like that… he couldn’t understand how Dunce Face put up with it.

Everyone had to study secondary genders in middle school, so Bakugo knew the basics about the transition. It wasn’t hard to see why most omegas were female. Biology did its part. Omegas needed a uterus and functioning reproductive system to bring new life into the world. But as for male omegas, nature, in its twisted wisdom, had found a painful workaround for it.

Future male alphas or omegas were born with a penis, of course. But, in those early years, there was a kind of “waiting space,” a place where the body decided if it would form testicles, in the case of alphas, or… well, a vagina, if it were an omega. And, of course, the process was a painful nightmare. Just the thought of it made him uncomfortable, and he pushed it out of his mind whenever he could.

Kaminari spent an entire week in the infirmary, and Bakugo knew exactly what that meant. The pain. The adaptation. The transformation of a body that had to reconfigure itself. Just thinking about it sent a shiver of discomfort down his spine. Dunce Face had gone through something no beta, alpha, or female omega ever had to face, and Bakugo found himself, for a second, curious about how someone so loud and energetic was handling it all.

Kaminari now wore a tight black choker around his neck, for his own safety. If he went into heat and an alpha bit into his glands right there on his neck, the two of them would be cursed to stay together forever. This bond was unbreakable—a permanent tie that, once made, destroyed any chance of finding someone they truly wanted to be with. It was pathetic, but necessary. Dunce Face knew this, and Bakugo could see the nervousness in his eyes every time he adjusted the choker.

His body, however, was only beginning to transform. The complete maturation was still ahead. He would develop omega traits—a body with noticeable curves, broad hips, thick thighs, and a narrow waist. The kind of body nature deemed ideal for an omega: small, delicate, practically made to be protected by an alpha. Thinking about it made Bakugo roll his eyes. All this biology geared towards submission and nurturing was something he just couldn’t accept.

Alphas went through a similar process, but unlike omegas, they grew larger and more robust. Their shoulders broadened, muscles became denser and more powerful, and everything about them exuded a dominant presence. Tall, strong, ready to dominate anyone who dared to stand in their way. Bakugo knew he was destined for this development—it was as if his body was preparing itself to ensure he would always be in control.

And, watching all of this, he couldn’t help but feel a twinge of disdain. All this stupid biology, instincts that tried to shove everyone back into predetermined roles. It was ridiculous. He didn’t need anything other than his own strength and determination. To hell with instincts.

But in the end, it wasn’t his problem. Everyone had to deal with their own pain.

— Whoa, Kaminari, bro! That’s so manly of you, dude! — the redhead continued, with that shark-toothed grin and both thumbs up. — You’re really strong, man!

The electric hero blushed even more, his cheeks practically on fire. But he smiled, nodding, clearly trying to maintain his composure.

Bakugo rolled his eyes, trying to ignore the spectacle. Kirishima’s enthusiasm made it seem like being an omega was something worthy of a medal. Pathetic. Dunce Face, all red and grinning, seemed to soak up the approval. Typical of him, always needing a pat on the back. If only they’d focus on training instead of this ridiculous back-patting, he thought, snorting irritably.

Kirishima leaned towards Kaminari, still smiling with that relaxed, friendly expression.

— Seriously, bro! It doesn’t matter what secondary gender you have. Alphas, omegas, betas, everyone here is equal. We’re a team, man, and nothing’s gonna change that. — He laughed and clapped Kaminari on the back, like it was the most natural thing in the world.

Kaminari laughed a little nervously, but he seemed relieved by his friend’s words. Across the table, Sero nodded, arms crossed and smiling.

— Yeah, man, Kirishima’s right! — Sero said, nodding. — No one here cares about that gender hierarchy crap. You’re the same as always.

Kaminari smiled, still a bit awkward, but clearly happy with his friends' support.

Bakugo, however, was on the verge of a major eye roll. He clenched his fists as the three continued with their sentimental conversation. His patience was running thin.

— What the hell are you all talking about? — he growled, his voice cutting through the room and catching everyone’s attention. The three friends stopped and looked at him, surprised. — The truth is, none of you actually think that way. You sit there acting like it doesn’t matter, but the reality is different. Omegas are treated one way, alphas another.

Kirishima frowned but kept his tone calm.

— Bakubro, that’s not it, man. I’m serious. Who cares what society thinks? We’re not like that. I see all of you as equals. And I know you care too, even if you pretend not to.

Bakugo let out a dry, irritated laugh.

— And that’s why you’re all pathetic. Pretending everyone’s equal, when the reality is no one cares about this “we’re all equal” crap when instincts kick in. Omegas are vulnerable, and everyone knows it. Accept it, Dunce Face, because none of those speeches will change what’s real.

The blond leaned over the table, his intense gaze fixed on the omega beside Kirishima, who was looking more and more uncomfortable.

— Try skipping your suppressants or going into heat in front of an alpha — he murmured, his voice low and sharp. — Let’s see if that corny “equality” speech saves you then.

Silence fell over the table, so thick it seemed to weigh down on all of them. Kaminari looked down, his face turning red, clearly uncomfortable. Sero shot Bakugo a disapproving look, obviously not okay with the attack. Kirishima stayed quiet, but there was something in his gaze—a firmness Bakugo noticed even though he didn’t want to.

Bakugo just snorted, looking away. He wasn’t there for moral lectures. The idea that everyone could be equal was a joke, an illusion he refused to buy into. But as he prepared to leave, he caught a quick glance at Kirishima. The redhead stared back at him, a mix of disappointment and stubbornness in his gaze—like he really believed what he was saying. Bakugo felt a flicker of discomfort but brushed it off.

Without another word, he grabbed his tray and stomped out of the cafeteria, his footsteps echoing as he left the three friends behind.

That night, after his shower, Bakugo threw himself onto his bed, huffing as he prepared to sleep. He felt a bit strange, though. His body seemed a little warm, but when he checked his temperature, everything was normal. Not thinking much about it, he just turned over and fell asleep.

.

.

.

The next morning, Bakugo woke up in a pool of sweat, the sheet clinging to his skin. Groaning, he sat up in bed, his head spinning a bit as he tried to regain his focus. His blood pressure seemed to have dropped suddenly. Ugh, had he caught some stupid cold? But he knew he couldn’t miss today’s class—there was an important exam, and he wasn’t about to let anything get in the way.

Shaking his head to dispel the grogginess, he took a long gulp from the water bottle beside his bed and stood up slowly, waiting for the feeling to pass. That’s when he felt a dull ache between his legs, a light but persistent pressure that made him stop in his tracks, surprised.

His eyes widened as the realization hit him. Was he finally starting the process to present his secondary gender? His heart sped up a little, and a smile crept onto his lips, a mix of excitement and relief.

— Ha! About time, damn it! — he muttered to himself, feeling adrenaline replace the discomfort. Whatever it was, he was ready. He’d been waiting for this longer than he cared to admit, and the idea of finally discovering his secondary gender only made him more eager and impatient.

He wasn’t about to let anyone be better than him—whatever the result, he’d use it to keep proving he was the best, as always.

Bakugo gathered his things and headed to the bathroom, feeling satisfied with himself. As soon as he left his room, a few different scents began to invade his nose. They were still faint, but he could already distinguish them, which brought a smirk to his face. Finally, things were changing.

When he entered the men’s locker room, reserved for betas, alphas, and those who hadn’t presented yet, he found Kirishima, who was wrapping a towel around his waist and waving enthusiastically.

— Hey, ohayou, Bakubro! — the redhead greeted cheerfully. But as soon as Bakugo approached, Kirishima’s expression changed instantly. He frowned, leaning in a bit to sniff the air, clearly confused. — Uh? What’s that smell?

Bakugo gave a disdainful, yet proud, smirk.

— None of your business, idiot, — he replied, his voice surprisingly calm but with that superior tone that was all his.

He noticed that now, up close to Kirishima, he could pick up on the other boy’s natural scent, something like orange blossom and lime, though it was still too faint to define clearly. Kirishima seemed more intrigued by the second, his eyes locked on Bakugo, as if he were trying to understand what was happening.

The blond let out a sigh, annoyed but thrilled with the new sensations. This was just the beginning, he knew. Soon, all these scents would make sense, and he was eager for what would come next.

Bakugo and Kirishima walked toward the showers, talking casually. The blond could hardly wait to wash off the sweat and that sticky feeling. The hot steam filled the space as the water poured down, relaxing his muscles under the strong flow. Kirishima, beside him, began talking about the combat training they had later, but Bakugo barely listened. His mind was still occupied, trying to comprehend his sudden sensitivity to scents.

Finishing his shower, he grabbed a towel and quickly dried his face. The two returned to the locker room, and Bakugo noticed a slight change in temperature as they left the bathing area. Then, suddenly, as he rounded a corner, he ran straight into someone.

— Oh, sorry, Kacchan! — Deku stumbled back, his hands up, clearly caught off guard.

Bakugo froze in place. The warmth in the room seemed to intensify, and he felt a wave of something hot and intense ripple through his abdomen. It was like something inside him was burning, something he’d never felt before. A gentle yet penetrating aroma invaded his nose, a scent that blended the freshness of freshly cut grass with something sweet, almost citrusy. It was… addictive. Instinctively, he took a deep breath, and the smell overwhelmed his senses.

— Tch… Deku! — he growled, trying to sound irritated, but his voice came out a bit huskier than he’d intended.

Deku, unaware of what was happening, gave a nervous smile, taking a step back.

— Ah, s-sorry, Kacchan, I didn’t see you there! — He glanced at the two friends, noticing Kirishima standing beside them, who was watching the scene with a curious expression.

Bakugo felt his heart racing, and the warmth in his abdomen only grew, spreading through his body like a fire he couldn’t extinguish. Damn, why was the nerd’s scent affecting him so much? It was the best aroma he’d ever smelled—fresh, invigorating, addictive—and the thought irritated him. He averted his gaze, trying to maintain his composure, avoiding Deku’s bright green eyes that sparkled more than he’d care to admit.

But then he noticed Deku frowning slightly, as if picking up on something new. Deku began sniffing the air more deeply, his eyes losing focus, almost closing.

— What… is that smell? — Deku murmured, his voice rough and heavy, with a tone Bakugo wasn’t used to hearing. He seemed dazed, as if in a trance, and with each breath, he took a step closer.

Bakugo’s face flushed, and the heat within him intensified. The feeling was overwhelming, and before he could react, Deku was mere inches away, his scent so close it seemed to saturate the air.

— Haah… — Deku sighed, his eyes half-closed, as if intoxicated by the scent. — You smell s-so good, Kacchan…

Bakugo’s expression hardened, but he felt his heart skip a beat. The heat, the smell, and Deku’s closeness were becoming unbearable. He needed to get out of there, to rid himself of this vulnerable state that left him exposed.

— Move it, Deku, — he murmured, his voice rough and lower than he’d intended. Without waiting for a response, he gave Deku’s shoulder a shove, pushing him back. He didn’t want to admit it, but he was retreating. He needed to get away from here, away from that scent that seemed to coil around him, stealing his self-control.

Kirishima, who had been watching the scene in silence, followed him, giving Bakugo a curious look but choosing not to say anything. The two walked down the hallway in a heavy silence, Bakugo’s face set in a scowl as he forced himself to focus on anything but the lingering warmth and the damn scent of Deku, which seemed to embed itself in his mind.

The smell still lingered in his thoughts, and no matter how hard he tried to push it away, he knew it would be more difficult to ignore than he’d like.

.

.

.

After lunch, everything happened very quickly. It was already late, and the class was taking their exam, with Aizawa standing at the front of the room in absolute silence, his arms crossed behind his back, his eyes fixed on each student. Bakugo felt the heat intensify, a dull ache pulsing in his abdomen, worsening every time he caught a whiff of that damn nerd's scent nearby. He clenched his fists under the desk, trying to maintain his composure.

When it was time to pass the papers back, Bakugo didn’t bother to turn and look at Deku. He just tossed the sheets onto Deku’s desk, his movements swift and rough. But even without looking, he knew Deku was close—too close. And his scent… damn, it was even stronger. Every second, it seemed to fill the air more, a dense, tempting smell that made Bakugo’s stomach churn.

He struggled to focus, but his anger was rising. Was Deku doing this on purpose? Did he know what was happening and was trying to provoke him? Like he had something to prove, trying to show he was stronger than him? Bakugo ground his teeth. Ha! As if that nerd could ever compete with him.

Feeling the sweat trickle down his neck and the heat spreading more intensely, he took a deep breath, trying to ignore it all and concentrate on the test. But the scent was still there, pulling him back, taunting him. He felt the muscles in his hands tense, forcing himself to write with more force than necessary, as if that could ward off the sensation.

With every breath, Deku’s scent seemed to intensify, and Bakugo knew that if he let himself give in, he would lose control. His heart pounded faster, and irritation rose as he forced himself to ignore everything around him and keep his eyes on the test, determined to finish it without giving in.

As he tried to concentrate, he could hear Deku’s heavy breathing behind him, each breath more uneven than the last. Something was changing, and Bakugo felt his instincts heighten, as if his body were preparing for an attack. The heat in his abdomen seemed ready to explode.

A low, guttural growl echoed through the room, and Bakugo felt the hairs on the back of his neck stand up. He turned slightly, expecting to meet Deku’s gaze. But what he saw made him freeze. Deku was practically panting, his green eyes—normally bright and friendly—were now darkened, wild, staring at him with a primitive intensity. Bakugo could barely believe what he was seeing—Deku’s sharp canines gleamed under the classroom light, menacing, making it clear that he was face-to-face with an alpha in a feral state.

— No way… — Bakugo muttered, his mind reeling as he realized that the calm, reserved nerd was presenting as an alpha.

— Kacchan… — Deku growled, his voice low and rough, full of need and an intensity that Bakugo had never witnessed. Deku seemed intoxicated, completely consumed by Bakugo’s scent, as if the aroma had taken over his senses.

Before Bakugo could react, Deku moved forward, his hands gripping the back of Bakugo’s chair with a crushing strength, bringing his face dangerously close to Bakugo’s neck. Bakugo tried to stand up, but Deku held him firmly, pressing him against the desk, his possessive scent filling the air. Bakugo felt the heat spreading throughout his body, a wave of electricity mixed with the resistance he was desperately trying to gather. But no matter how hard he tried, he couldn’t stop himself from giving in.

What the hell was happening? It was as if his own body was reacting, as if a deeper instinct was satisfied with what was happening—with the fact that Deku, of all people, was marking him. This made no sense! He was an alpha too!

— What the hell are you doing, Deku? — he hissed, struggling to break free, but Deku’s strength was brutal, his hands holding him with a firmness that didn’t intend to let go.

Deku growled again, drawing even closer, and Bakugo felt his hot breath on his neck, sending a painfully pleasant shiver through his entire body. Deku was out of control, and his scent only grew stronger, enveloping and dominating, as if it were marking Bakugo with his essence.

Then, suddenly, Deku pulled Bakugo even closer, rubbing the side of his neck against Bakugo’s in a primal, possessive gesture. Bakugo froze, and his heart skipped a beat. To his utter surprise, he, Bakugo, let out a slight whimper, almost like a purr—just like a damn omega.

It was then that he felt something unexpected. A much stronger heat shot up his spine, spreading electricity through every fiber of his being. It was a sensation he had never experienced, a scandalous pleasure, a wave of warmth that exploded in his stomach, making him nearly gasp. The contact of Deku’s neck against his seemed to send a flood of butterflies into his stomach, a pleasure that spread through every cell in his body.

He wanted to resist, to pull away, but his instincts were taking over. Every time Deku rubbed his neck against him, Bakugo felt an absurd urgency and gave in a little more, his muscles relaxing, his body taking on a posture he hated to admit.

It was as if Bakugo’s pride had been set aside, and he was reacting with something beyond his own will. His instincts were beginning to respond to the alpha, and he knew he was losing control, which only fueled his frustration and anger. Deku’s presence overwhelmed him, and the only thing he could do was fight the urge to surrender completely, even though his body had already practically handed victory over to the other.

Everything around Bakugo blurred, as if the world had lost focus, and the only thing he could feel was Deku’s scent, the comforting warmth, and the alpha’s presence, which was suddenly ripped away from him. A painful emptiness filled his chest, and before he could process it, a desperate whimper escaped his mouth.

— No! — he cried, his voice breaking. Why were they pulling his alpha away? Bakugo looked around, his vision blurred with tears, his heart pounding, his mind still wrapped in a haze of despair. Had his alpha rejected him? The thought made him tremble.

Suddenly, the entire room plunged into chaos. He heard voices, shouts, and when he finally managed to focus, he saw Deku being restrained by Kirishima, who wore a serious expression. But Deku was out of control, growling like an animal, his green eyes blazing with a terrifying intensity as he struggled to break free.

Deku roared, his voice rough and dripping with anger, as he fought against Kirishima’s grip. His body emitted a glowing green aura, the One for All starting to hum around him, growing stronger and stronger.

— Calm down, Deku! — Kirishima shouted, gritting his teeth, clearly straining to hold the other alpha. Even with his quirk, he trembled under the effort of containing Deku’s rising power, which seemed ready to explode at any moment. The green energy aura intensified, flickering and pulsing, casting a menacing light around the room, as if the room itself was reacting to the furious alpha’s presence.

Their classmates backed away, some shouting for the nurses. Bakugo tried to get up, his muscles still weak and his body trembling. He felt Deku’s absence as a physical pain, something that left him dazed. His mind screamed at him to get closer, to reach the alpha who seemed determined to fight for him.

— Izuku! — he cried out, his voice choked. He hated the weakness in his own voice, but his instincts were taking over, and all he wanted was to feel the alpha—his alpha—by his side again.

— Izuku, control yourself! — Aizawa said, activating his quirk, his red eyes fixed on Deku. He used his capture weapon to bind Deku, trying to disrupt the destructive power of One for All, while also casting a look of rare concern at Bakugo. — Bakugo, get back! This is out of control!

Bakugo, still crying, forced himself to stand. Even with his legs shaking, he yielded to the instinct pulling him toward Deku, the alpha who called to him with an almost physical urgency. Every fiber of his being begged him not to let Deku go. But before he could take another step, he felt strong arms wrap around him.

— Bakugo, calm down! — Sero held him, embracing him from behind, his hands firm on Bakugo’s waist, trying to keep him from moving forward. — You can’t go near him right now!

Bakugo struggled, thrashing, and a desperate sound escaped his throat—a whimper he never imagined he was capable of making. His eyes, still blurred with tears, were fixed on Deku, as he fought against Sero’s hold. But it was Bakugo’s vulnerable whimper that seemed to snap something inside Izuku.

Deku paused for a moment, and his expression shifted from rage to something more dangerous. He fixed his gaze on Sero, his green eyes dark and bloodshot, and let out a deep, menacing growl that echoed through the entire room. He broke free from Kirishima and Aizawa with an explosive move, using the power of One for All to propel himself, charging toward Sero like a runaway train.

Sero barely had time to react before Deku collided with him, the force of the impact pushing them both against the wall, causing Bakugo to fall to the floor beside them. Deku’s face was inches from Sero’s, his teeth bared in a wild snarl, and his alpha fangs were fully exposed, ready to bite, forcing the other alpha to either submit or face the consequences.

— Deku, get a grip! — Aizawa shouted again, his capture weapon moving once more as he tried to restrain him, but Deku was too determined, the power of One for All vibrating around his body like a storm of green energy.

Bakugo felt a wave of guilt mixed with desire, an internal conflict that left him dizzy. He knew he shouldn’t want this, that it was madness to give in to his instincts, but the desperation and need to be close to Deku were overwhelming. The sight of Deku defending him, even in such an aggressive manner, made his heart race. Alpha is strong, alpha wants to protect me, good alpha, his instincts whispered.

Kirishima rushed to help Sero, trying to pull Deku away, but the alpha wouldn’t back down, his gaze fixed and possessive, the green energy surrounding him, intensifying his movements.

— This omega is mine, — Deku managed to snarl, his voice sounding deeper than ever, a primal and clear claim.

A flicker of consciousness broke through Bakugo’s haze, and he frowned, wondering what omega Deku could possibly be talking about.

Sero exchanged a quick, worried glance with Kirishima, both of them realizing that if Deku remained out of control, no one would be able to contain him for long. Deku’s scent dominated the room—heavy, threatening, an alpha essence that no one else could match. It was an almost tangible force, as if the very air was bending under his presence.

Suddenly, a few nurses entered the room, their expressions determined, holding a syringe in hand. Taking advantage of a brief opening, one of them quickly injected a tranquilizer into Deku’s neck. He growled, shaking his head, and while his muscles began to weaken, he continued to resist, his legs wobbling but his strength intact. The nurses exchanged tense looks, and realizing one dose wouldn’t be enough, they administered a second.

Bakugo watched everything with wide eyes, his heart pounding frantically. He felt his instincts rebelling, a primal anger rising within him as he saw Deku stumble, the energy slowly draining from the alpha’s body. His instincts screamed that his alpha was being taken from him, and it was unbearable. Desperation began to rise, and an anguished cry tore from his throat.

— No! Don’t take him from me! — Bakugo screamed, struggling to get up from the floor, his eyes locked onto Deku, who was now collapsing to his knees, his movements slowing until he finally gave in, unconscious.

The blond began to thrash even more, crying and shouting, his voice filled with anguish and frustration. But before he could do anything else, he felt Sero’s arms around him again, holding him tightly, as if trying to keep him from running toward the fallen alpha.

— Bakugo, calm down! — Sero grunted, his voice heavy with worry. — You need to get a hold of yourself, man. You’re losing control!

But Bakugo couldn’t hear him. All he could see was Deku’s body lying there, and his own instincts screamed for protection, for closeness. He felt an unbearable heat in his chest, something that seemed to tear him apart from the inside, the need to be near Deku almost suffocating him.

Then he felt a sharp prick in his neck. His vision started to blur, and a heavy drowsiness overtook his body. He heard the voices around him grow faint as the world around him began to fade into darkness.

— Sorry, Bakugo, but this is for your own good, — Sero’s voice came, muffled and distant, as Bakugo’s body began to go limp, the scream in his throat silenced.

— What happened? — the distant, calm voice of Icy Hot asked as he entered the room. Damn alpha.

Everything went dark, and the last thing Bakugo felt was the void where Deku’s scent had been, an absence that left him with a deep sense of loss. The darkness swallowed him, and he felt nothing more.