Y/N transfers into Class 1-A as UA's special healing student, hiding a dangerous quirk that slowly crystalizes her body every time she uses it.
Between chaotic dorm life, training, and endless arguments with Bakugo Katsuki, she starts finding a place she can finally call home.
But healing people has always had a price.
And some lives cost more than others.
You can find the series on wattpad as well. @GhostOfRemus on wattpad.
pairing. Katsuki Bakugou x Reader
content. fem!reader, angst, friends to lovers.
It had been a couple of weeks since I settled into U.A., and somehow those weeks passed faster than I expected them to. What started as awkward introductions and cautious conversations slowly turned into routines before I even realized it was happening. The first girls night somehow became a permanent tradition almost immediately afterward. Every Friday night, one of the girls would knock on everyone's doors until we eventually gathered in somebody's room with snacks scattered everywhere, face masks nobody used properly, card games that always ended in arguments, and conversations that lasted embarrassingly late into the night.
Then came the Saturday movie nights.
Those usually happened in the common room downstairs where almost half the dorm somehow squeezed themselves onto couches, bean bags, blankets, and occasionally the floor whenever nobody wanted to give up a good spot. Kaminari always complained dramatically whenever someone picked horror movies, Mina talked through almost every scene, and Sero spoiled endings without shame whenever he got bored. Bakugo usually pretended he wanted nothing to do with it, yet somehow still ended up staying every single time anyway, sitting furthest from everyone with an annoyed expression while still watching the entire movie.
Honestly, it became easy to settle in here. Easier than I thought it would be.
I found myself naturally falling into everyone's routines without forcing it. Some afternoons I ended up following Mina around because she randomly decided she needed company while doing absolutely nothing important. Other days I spent hours with Midoriya and Todoroki in study sessions so I could catch up properly with the lessons I missed before transferring. Midoriya somehow managed to turn every study session into an accidental hero analysis lecture while Todoroki quietly listened beside us, occasionally adding comments so unexpectedly blunt they caught both of us off guard.
There were also moments where I practically begged Kouji to bring his pets downstairs because his rabbits somehow became emotional support animals for half the dorm. Even Bakugo once stopped glaring long enough to pet one of the smaller bunnies before immediately denying it happened afterward.
And then there was training.
U.A. training was exhausting in ways I had not fully expected. Every teacher seemed determined to push students until they physically collapsed, and unfortunately for me, having a healing quirk meant people naturally expected me to endure longer than most. I spent countless hours improving stamina control, reaction timing, healing efficiency, and support positioning while trying not to completely destroy my energy reserves in the process.
A lot of those sessions ended up involving Bakugo.
Not intentionally at first.
It just sort of... happened.
Sometimes Aizawa paired us together during combat exercises because my quirk worked well supporting aggressive fighters. Other times Bakugo simply occupied the same spaces I did, usually training long after everyone else had already finished. I started noticing that whenever I stayed late in the gym, there was a high chance he would already be there blasting holes into practice targets like he had unresolved personal issues with the walls themselves. Even then, we barely spoke.
Most of our interactions consisted of brief glances during training or occasional comments whenever Mina dragged me into the middle of their loud friend group against my will. Despite how explosive he acted around everyone else, I slowly realized Bakugo actually talked less than most people in Class 1-A. He rarely joined conversations unless somebody annoyed him first, and outside his constant yelling, he spent a surprising amount of time quietly observing everything around him.
From my perspective, he was not nearly as chaotic as he pretended to be.
Well...Physically, at least.
Verbally was another issue entirely.
I genuinely did not think I had ever heard him speak in a normal indoor voice before. Every sentence sounded like he was either seconds away from starting a fight or actively threatening somebody during one. His temper snapped ridiculously fast too, especially whenever Kaminari or Kirishima intentionally irritated him for entertainment purposes.
Midoriya suffered the most from it.
Honestly, I started noticing Bakugo's hair literally seemed to spike up more aggressively whenever Midoriya approached him with that overly earnest expression of his. Sometimes Midoriya would simply try reassuring him about something completely harmless, only for Bakugo to immediately explode like his existence alone was personally offensive.
Not metaphorically, either.
Though, to be fair, Bakugo tried blasting almost everyone's face off at least once.
Still, beneath all of that anger, there was something oddly calculated about him. He called everyone "extras" like it was second nature, shoved Class 1-B aside whenever Monoma started provoking him, and carried himself with such overwhelming confidence that it bordered on arrogance half the time.
Bakugo genuinely believed he was better than everyone around him, and the frustrating part was that he was talented enough to make it believable. During combat training, he moved like somebody who trusted himself completely. Fast, sharp, aggressive, but controlled underneath all the destruction. Even when he acted reckless, there was always precision hiding beneath it.
Mostly because he knew exactly how good he was.
No, it annoyed me because he was the person who I wanted to become when I was a kid.
"What?!" Bakugo's voice exploded across the classroom so suddenly that several students visibly flinched in their seats. "I'm doing my history group project with this extra?!"
The force of his hands slamming against the desk made the entire table shake beneath him, the sharp crack echoing loudly through the room while tiny sparks snapped aggressively across his palms. It was honestly impressive how someone could radiate so much offense over a simple group assignment. The atmosphere inside the classroom shifted almost instantly, conversations cutting off one by one as everyone collectively turned their attention toward the newest disaster unfolding at the front of the room.
And somehow, against all odds, I was apparently the disaster.
Before Bakugo could continue shouting, Aizawa's capture scarf shot across the room with terrifying accuracy and wrapped itself tightly around Bakugo's mouth in one fluid movement. The reaction was so fast that Bakugo barely had time to process it before the fabric pulled sharply against him, muffling whatever insult he had clearly been seconds away from yelling next.
The classroom fell silent for exactly half a second.
Then Kaminari snorted loudly into his hand.
Bakugo immediately started struggling against the scarf with violent irritation, glaring at Aizawa like he had committed the greatest betrayal imaginable. He grabbed at the fabric wrapped around his face while making furious muffled sounds that somehow still managed to communicate pure outrage despite being completely incomprehensible.
Meanwhile, Aizawa looked entirely unimpressed.
He sat at the front desk with the exhausted expression of a man who had already dealt with too much nonsense before noon, one hand lazily supporting his head while the other tapped lightly against the wooden teacher's desk. His eyes barely lifted toward Bakugo as if this entire situation was less of an interruption and more of an expected daily inconvenience.
"No objections, Katsuki," he said calmly, though the irritation beneath his voice was unmistakable. "I already saved the assignment files."
Bakugo looked genuinely horrified by that information.
For a brief second, actual betrayal crossed his face before he immediately pointed at me with sharp, aggressive gestures while still trying to yell through the scarf restraining his mouth. The result came out as muffled shouting combined with increasingly dramatic arm movements that honestly looked more animated than threatening at this point.
I stared at him quietly for a moment.
Then glanced toward Aizawa.
Then back toward Bakugo, who was now trying to physically pull the scarf off himself while glaring at me like I had personally orchestrated this entire situation just to ruin his life.
A bead of sweat slid slowly down the side of my face.
Honestly, I was not sure why he was acting like this was some form of punishment. It was a history project, not psychological warfare. If anything, I was the one currently trapped in a group assignment with somebody who looked seconds away from detonating the classroom over academic responsibility.
Beside me, Mina leaned closer while visibly struggling not to laugh. "He looks like an angry cat."
"He always looks like an angry cat," Kaminari whispered loudly from across the room.
Bakugo's head snapped toward them so quickly it was honestly concerning.
"There!" Kaminari pointed dramatically. "Exactly like that!"
Kirishima completely lost composure beside him, laughing openly while Sero nearly slid out of his chair trying not to choke on his drink. Even Jirou looked mildly entertained despite pretending not to care, one eyebrow lifting slightly as she watched Bakugo continue fighting for his dignity against Aizawa's scarf.
Aizawa finally rubbed his temples with visible regret before loosening the restraint just enough for Bakugo to speak properly again.
"This is bullshit," Bakugo immediately barked the second his mouth was free, sounding deeply offended on a spiritual level. "Why the hell am I stuck doing extra work with her?"
The phrasing alone almost made me blink.
As though I was the inconvenience here.
Aizawa looked seconds away from retiring.
"Because," he answered flatly, his voice carrying the exhausted patience of someone speaking to a difficult child rather than one of U.A.'s strongest students, "you failed your last written history assignment."
The room went completely silent.
Then Kaminari burst into laughter loud enough to nearly fall backward in his chair.
"You failed history?!" he wheezed between laughs, clutching his stomach dramatically.
Bakugo whipped around toward him instantly. "I DIDN'T FAIL!"
"You got a thirty-two," Todoroki said casually without even lifting his eyes from his textbook.
"That's literally failing," Sero added helpfully.
"I KNOW WHAT FAILING IS, DAMN IT!"
The classroom immediately descended into chaos after that.
Kirishima was trying to defend Bakugo while also laughing at him, Kaminari had tears forming in his eyes from amusement, Mina looked moments away from collapsing onto the floor, and even Todoroki quietly glanced up from his textbook with what I could only describe as mild curiosity.
I lowered my head slightly, pressing my lips together in a failed attempt to hide my amusement.
Unfortunately, Bakugo noticed immediately.
His eyes narrowed dangerously the second he caught the small smile pulling at my mouth.
"...The hell are you smiling at?"
I looked back up calmly despite the fact that multiple people nearby were already trying not to laugh harder, "I'm not smiling," I replied smoothly.
"I think this is just my face."
Mina gasped dramatically behind me, immediately grabbing Ochako's arm. "Oh my god! They're bonding."
"We are NOT bonding," Bakugo snapped instantly.
The speed of his response only made Mina grin wider.
I quietly opened my textbook before the situation somehow escalated even further, though at this point that outcome felt inevitable no matter what I did.
"Aww, Kacchan's embarrassed," Kaminari teased from across the room with absolutely no survival instincts whatsoever.
A loud explosion cracked through the classroom less than a second later.
And somehow, through a chain of deeply unfortunate events and one incredibly stubborn argument, this was how I ended up standing in front of Bakugo Katsuki's dorm room later that evening with an extra chair awkwardly balanced in my arms.
Getting to this point had already been exhausting.
The second classes ended and everyone started packing their things, Bakugo immediately started complaining about the project again like Aizawa had personally sentenced him to hard labor instead of assigning a simple history assignment. The argument over where we were supposed to work started almost instantly afterward and, unsurprisingly, went absolutely nowhere productive for several minutes straight.
"We're not doing it in your room," Bakugo said immediately after I casually suggested it while organizing my books.
I looked up from my bag. "Why not?"
"That's not an actual answer."
I stared at him for a second, genuinely trying to understand how somebody could be simultaneously intelligent and impossible to communicate with at the exact same time. Across the classroom, Mina was openly eavesdropping with the biggest grin on her face while Kaminari looked emotionally invested in the argument despite not being involved whatsoever.
"We could just use the common room," I offered again, still attempting to be reasonable.
"...You do realize this assignment still has to get done regardless of how difficult you make this conversation, right?"
Bakugo clicked his tongue loudly in annoyance like I was somehow the problem here. "Why the hell do you even care where we do it?"
"Because you keep rejecting every option!"
"You're rejecting mine too!"
"You haven't suggested anything!"
At that point, Mina nearly fell out of her chair laughing while Kaminari loudly whispered, "This is better than movie night."
Bakugo immediately snapped toward him. "Shut the hell up!"
"See?" Mina grinned while leaning against her desk dramatically. "Bakugo just doesn't wanna go into a girl's room."
Bakugo looked personally insulted by the accusation. "That's not the damn reason!"
"Then what is the reason?" I asked calmly.
He opened his mouth immediately like he already had an answer prepared.
Honestly, the more he avoided my room specifically, the more convinced I became that Mina was completely right and he was just too prideful to admit it out loud. In the end, after another few minutes of pointless arguing, I gave up trying to negotiate with him because I genuinely valued my remaining patience too much.
"Fine," I sighed eventually while grabbing my things. "We'll use your room."
Bakugo crossed his arms immediately like he had just won something important. "Obviously."
Somewhere behind us, Kaminari whispered a dramatic "young love" before Bakugo nearly exploded his desk.
Before heading upstairs, I stopped by the dorm storage area to grab an extra chair since I highly doubted Bakugo's room magically contained guest seating. The metal legs scraped loudly against the floor while I dragged it through the hallway, earning confused looks from several classmates passing by.
Kaminari spotted me almost immediately.
His eyes widened dramatically. "Oh my god," he gasped while pointing at the chair like he had uncovered a shocking scandal. "You're actually going into Kacchan's room willingly?"
"It's for a project," I replied while continuing down the hallway.
"That's how horror movies start."
"I heard that, dumbass!" Bakugo shouted from somewhere farther ahead.
Kaminari looked delighted rather than threatened.
By the time I finally reached Bakugo's dorm room and awkwardly pushed the door open with my foot, he had apparently already started setting everything up without waiting for me. The moment I stepped inside, my expectations immediately crashed into reality in the most confusing way possible.
Not just clean, ridiculously organized.
I paused near the doorway for a second longer than necessary while my eyes slowly scanned across the room. Honestly, I had expected complete chaos. Maybe not outright filth, but definitely something messy enough to match his personality. Clothes thrown across the floor, unmade sheets, random clutter shoved into corners, scorch marks from explosions somehow burned into furniture.
Instead, everything looked controlled almost to an annoying degree.
His desk was spotless except for the neatly organized project materials already spread across the surface. History textbooks sat stacked in orderly piles beside printed papers and opened notebooks filled with sharp handwriting. His laptop was already open with research tabs and videos prepared ahead of time while pens and pencils sat aligned almost aggressively straight beside it. Even the cords near his desk were organized properly instead of tangled into some horrific mess like most teenage boys' rooms usually looked.
The rest of the room followed the exact same pattern.
His bed was perfectly made without a single wrinkle visible across the blanket. Training equipment was arranged carefully on shelves while dumbbells and workout gear sat organized near the corner of the room instead of scattered around carelessly. Nothing looked decorative or overly personal, but everything had its own place with almost military precision.
It caught me off guard more than I wanted to admit.
Bakugo himself was loud, aggressive, constantly angry, always moving like an explosion waiting to happen. But underneath all of that chaos, there had always been something weirdly controlled about him too. Even during training, his movements were precise despite how destructive they looked. He never wasted energy carelessly. Every attack had purpose behind it no matter how reckless it seemed from the outside.
And apparently his room reflected the exact same thing.
Bakugo glanced toward me from his desk after realizing I had stopped moving entirely. "Why are you standing there like an idiot?"
I blinked once before finally stepping further inside, dragging the extra chair behind me awkwardly.
"Your room is cleaner than I expected," I admitted honestly while setting the chair down near his desk.
His eyes narrowed immediately like I had somehow insulted him. "The hell is that supposed to mean?"
"I don't know," I said while sitting down carefully. "You just don't seem like the organized type."
Bakugo looked genuinely offended now. "I literally have the highest combat scores in class."
"That has absolutely nothing to do with cleaning."
"It does if you're not stupid."
I stared at him for a moment.
He clicked his tongue before aggressively turning his laptop slightly toward me. "Whatever. Sit down already so we can finish this crap faster."
I pulled the chair closer and glanced over the materials spread across his desk more carefully now that I was sitting beside him. The amount of preparation already done made me blink slightly in surprise.
"You were acting like this project ruined your entire life earlier."
"But you still prepared everything before I even got here."
Bakugo gave me a flat look like I was being painfully slow. "Complaining and getting things done are two different things."
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