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Bakugou had control over his silly, immature, distracting, shitty crush.
Key word: had.
That was all until Kirishima decided to grow eight inches, hit the gym hard , let his roots grow out, and get a fucking tongue piercing. Bakugou was blind-sided on the first day of their third year, and he had gone back to the dorms to write his last will and create a death certificate on Canvas that stated his cause of death as ‘Too Horny’. Deku, the traitor, laughed his ass off when Bakugou showed up at his dorm, paper still damp from the ink, and told him to sign it. To be fair, he and Kirishima didn’t get to meet up at all during the summer, so he really had no time to prepare himself.
Kirishima’s dads adopted another baby - her name is Emiko, and Kirishima sent so many photos of her to Bakugou that he could probably draw her from memory if he wanted to. So, Kirishima was pretty tied up helping with his other two siblings and soaking up all the baby snuggles. Plus, he got a job at the new ice cream shop to bulk his savings account up. For why, Bakugou, doesn’t know. But, it seemed very important to Kirishima, so he didn’t bitch too much.
Bakugou spent most of his summer doing extra-credit activities, heckling Mirko to let him in on some patrols, falling victim to his mother giving him a haircut when he passed out on the couch, and bulking his arms to the high heavens. He had seen a doctor due to aches and pains in his joints, and they recommended he put on additional muscle to counteract the stress his bones were under. His explosions kept getting bigger and bigger, so it made sense he needed to do more. Mitsuki commented on the fact that he “was finally starting to look like a man and not a grumpy toddler that looked forward to world domination”, but Bakugou brushed her off. He didn’t feel like he looked any different.
Since his best friend was too busy to hang, Bakugou met up with Deku on occasion to spar, eat edibles on his parent’s roof, and moan about his crush on Shitty Hair. Deku took it all in stride and did what any little asshole brother would do: made fun of him. Deku may or may not have been pushed off the roof once or twice, but he survived. Speaking of Deku, he finally went through puberty: his voice dropped, so now he sounded like an actual human being and not a squeaky toy; he grew a couple inches and could look Bakugou in the eye; and he really filled out. Bakugou even begrudgingly complimented him when Deku showed up to one of their hangouts with his curls pulled back, tucked under a headband, and Bakugou could notice how Deku finally lost all the baby fat off of his cheeks.
All in all, it had been a pretty normal summer. Bakugou filled his time with activities so he wouldn’t miss Kirishima too badly and looked forward to the start of their final year at U.A. So, you can only imagine his shock when he walked into homeroom and saw a crowd swarmed around Kirishima’s desk.
“Dude, the second round of puberty hit you like a bus!” He heard Kaminari’s voice in the mix.
“You have to be over six foot, now,” Sero chimed in.
“And the hair!” Ashido exclaimed. “I never thought I’d see the black again.”
Bakugou wasted little time elbowing his way through their rowdy classmates only to bump face first into a chest that he ricocheted off of. He blinked twice at the straining white undershirt he was making eye-contact with before tilting his head to look up. Two cherry red eyes blinked back at him, and a set of sharp, white teeth, revealed in a smile, greeted him.
“Hey, Baku-bro!” Kirishima brightly said. “I was wondering where you were - usually, you’re a lot earlier than me, so I-”
“Why is your hair shittier than normal?” Bakugou interrupted him, probably impolitely, but he didn’t care: he had to investigate.
“Ah,” Kirishima touched his collarbone-length with an insecure tug. His black roots were about an inch long, and his two horns were half black. “I didn’t really have time to do it over the summer, so my roots grew in.”
Bakugou huffed pettily. He was usually the one that did Kirishima’s touch ups, thanks to his plethora of knowledge about hair that he unwillingly obtained from his mother. He assumed he would continue that role, but Kirishima failed to ask him to come over for it.
“You grew,” Bakugou didn’t want to get snippy about his hair in front of everybody else, so he pointed out something else.
Kirishima laughed his embarrassed laugh, “yeah, I thought I was done growing. Guess not!”
Bakugou got distracted when Kirishima mouthed out the word ‘thought’, seeing a shine of something in his mouth. He really couldn’t stop himself and grabbed Kirishima’s jaw with one hand, tugging him closer. Bakugou was an average five-foot-ten, but it still felt like almost had to go on his tippy toes to reach Kirishima’s face. When they were eye to eye, Bakugou squeezed his hand, effectively forcing Kirishima to open his mouth. He could feel the heat from Kirishima’s blushing face on his hands, and the illogical part of his brain worried that it would somehow ignite the nitroglycerin that was almost dripping from his palms due to his stress.
Bakugou stared at the silver barbell that glinted at him. The voices around them picked back up when everybody saw Kirishima’s tongue piercing, and Bakugou could feel them breathing down his neck as they leaned closer to inspect it.
“O.M.G.,” Kaminari squealed. “We match, bro!”
“When the hell did that happen?!” Ashido questioned, reaching forward with a hand to try and poke at it.
Bakugou promptly let go of Kirishima’s face and pushed his chest so he would stand back up. He spun his weight on one foot, walked away from the crowd, and sat in his seat. Deku was already in his spot and watched smugly as Bakugou practically threw himself into his chair and aggressively rifled through his bookback, getting out his notebook and pencil.
Deku leaned forward, “are you going to show him your new piercing, too?” He whispered in his ear.
Bakugou cracked his skull into Deku’s in retaliation and hissed for him to shut the fuck up and mind his own business. Deku laughed at his turmoil but did back off, getting his own things out for class. Bakugou chanced a peek over his shoulder and saw Kirishima rubbing his neck shyly as the doofus squad pestered him about all of the changes. They were noisy until Aizawa walked in, looking as tired as he usually does, and called for their attention.
The rest of the day went by quickly, and it didn’t feel like long before everyone was heading back to the dorms. A few stayed in the common area to play games and catch up, but Bakugou headed straight to his room. It was there that he finished his homework, did an extra section for each assignment, crafted his last will and death certificate - getting Deku’s signature, and splayed out on his bed to recount his day.
“ Kirishima grew his hair out. His roots somehow look good with the faded red - I hate him. He let someone put a needle through his tongue and didn’t tell me - I hate that. He is a giant, and his pecs are even bigger than before - I hate them,” Bakugou thought to himself.
His spiral was interrupted by a knock on the door, and not just any knock: his and Kirishima’s special knock. Bakugou almost fell off the bed with the intensity he had to go open the door. He paused when his fingers were inches away from the handle. He took a second to breathe and run a hand through his messy hair before he opened the door.
There, in all his glory, stood the person behind his sleepless nights and pounding heart.
Kirishima looked beautiful. He must have taken a shower, since his hair was down and damp. He was dressed casually in a tight tank and basketball shorts. As usual, he didn’t bother putting shoes on and was barefoot on the cold, wooden floor of the dorms. Bakugou, in his peripherals, checked out Kirishima’s unreal biceps and felt his face start to flush. Kirishima was holding two plastic bags full of god-knows-what in one hand.
“Hey,” Kirishima gave Bakugou a small smile, and Bakugou’s heart clenched. “We didn’t really get to talk today, and I haven’t seen you since school, so…,” Kirishima trailed on and did the little shrug he does when he has more to say but is too embarrassed to say it.
“Just get your ass in here, Kiri,” Bakugou opened the door farther and stepped aside to make room for the giant to come in.
Kirishima’s smile grew ten times bigger, and he hurried in. He claimed his usual spot, the beanbag chair in the corner, and started rifling through the sacks. He pulled out Bakugou’s favorite spicy potato chips, the lemonade he swears he doesn’t like but secretly stocks in his mini fridge, Twizzlers, and a root beer. He set them down on the floor and peeked in the other bag but decided that whatever was in there could wait.
“I got some snacks,” Kirishima stated the obvious, and Bakugou shut his door, hopefully at a normal speed, and joined his friend on the floor. “I know I was super busy this summer, and we didn’t get to do anything. So, if you’re up for it, I brought the stuff for my hair and my Switch set up, so we could play Smash Bros or whatever, if you’d rather. We’ve got a few hours before eight!”
Bakugou focused hard on keeping his breathing even. He and Kirishima had talked every day during the summer, but it was nothing in comparison to seeing his best friend in person. Bakugou had felt a little left out and hurt by Kirishima’s absence, but it was all for good reason, so he had bucked up and not complained. However, seeing how keen Kirishima was to spend time with him, made all of those lingering feelings wash away. Bakugou felt so overcome with emotion, he couldn’t hold back the “I missed you” that slipped out of his traitorous mouth.
Kirishima froze where he was neatly setting up the volume and dye bottles on Bakugou’s dresser and looked over at him. Bakugou met his gaze as confidently as he could - he meant everything that he said, even when he involuntarily said it, and he wasn’t going to take it back. He was blessed with the sight of Kirishima’s whole face lighting up, and only thanks to his inhuman reaction time, was he able to brace himself for his friend’s fierce hug. They almost tipped back onto the floor, but Bakugou’s right arm shot behind him to balance the two. His left arm was wrapped tightly around Kirishima’s middle, and Bakugou grumbled a bit to himself when he realized he couldn’t even reach around him fully. He thanked every deity in the sky that he was used to Kirishima hugs, and his soul managed to stay in his body although he had a lap full of redhead.
“I missed you, too, Baku’.” Kirishima quietly spoke to him, his breath tickling the back of Bakugou’s neck.
“S’whatever,” Bakugou tried to bring an end to the hug, but Kirishima had his arms wound around him and didn’t move a muscle. “You surprised me this morning,” Bakugou’s distraction worked, and Kirishima pulled back enough to respond. However, now his hands were resting on Bakugou’s hips, and that was not in normal territory, and Bakugou’s eye twitched in restraint.
“You surprised me, too!” Kirishima nodded enthusiastically, and his hair swished across his forehead. “Your ratios are insane, dude. You worked hard!”
Bakugou rolled his eyes and sucked on his teeth with his tongue to make a tch sound, “of course I did, Hair for Brains.”
“As expected,” Kirishima agreed with a laugh, and his hands lifted off for a moment before settling back down on Bakugou’s shoulders. “You’re super broad - your deltoids are massive, man.”
Bakugou forced his touch-deprived brain to stay focused and refused to let his eyes roll into the back of his head at the feeling of his friend’s huge hands dwarfing his shoulders.
“Not as massive as you,” Bakugou wanted to die. “What the fuck happened, traitor?”
Kirishima laughed even harder, ears tinting red.
“I don’t know! Pops mentioned that the same thing happened to him during school. He left second year at 5’6” and came back at almost 6’. He said it’s normal for guys to go through puberty later.” Kirishima explained.
“How tall are you now? What’s your max?” Bakugou was thirsty for answers.
“Um, my senior physical measured me at 6’3”, about 220 pounds, and my max bench is 305 pounds and squat is about 450 pounds,'' Kirishima stated with a confident grin.
Bakugou’s jaw dropped, and Kirishima proudly nodded.
“I know! I couldn’t believe it either, at first,” Kirishima rattled on. “I made my dad quadruple check the weights every time!”
“You are a fuckin’ beast, Kiri’,” Bakugou was quarter scared, quarter horny, quarter impressed, and quarter proud of him.
Kirishima practically preened at the praise, and Bakugou finally batted his arms off of him. Kirishima took his place back on the beanbag chair across from Bakugou. They spent the next few hours fixing Kirishima’s hair, gaming in between bleach and dye sessions, and chowing down on their snacks. It was as if they hadn’t spent a day apart, and Bakugou had to repeatedly remind himself of their friendship status so he wouldn’t blurt out the L word every ten seconds. He didn’t know what was going on - he had never struggled so badly with keeping his feelings in check.
“ Maybe it was the time apart, ” he thought to himself. “ I just have to get used to being around him in person, again. ”
Kirishima’s stupid Plus Ultra ringtone went off, signaling that it was 8 o’clock. It was just in time for the conditioning treatment Bakugou had strong-armed him into using to be rinsed from his hair. Bakugou turned the alarm off for him and regrettably helped his friend get his stuff together. Again, Bakugou’s heart melted at the knowledge that Kirishima remembered his strict sleeping schedule and had even went through the pain of setting an alarm. He loved this man so much, it made his chest ache.
“ Deep breaths, fucko ,” Bakugou reprimanded himself. “ Keep your shit together .”
“I had a great time tonight,” Kirishima said as he stood in Bakugou’s door frame, one foot out of his room and the other in. “Thank you for doing my hair! You’re the best!”
“Stop thanking me,” Bakugou muttered, digging his toes into the carpet to keep himself from floating at the praise. “Just make sure you never go to anyone else for it - got it?”
“I would never!” Kirishima dramatically gasped and clutched his chest, making Bakugou roll his eyes and give a little smile. “You’re the only one for me, Bakugou.”
“I better fuckin’ be. I’m yours,” Bakugou instantly replied, and his eyes widened when his brain caught up to his mouth.
Kirishima seemed equally as shocked and was standing there with his mouth open - that damned tongue ring sparkling with saliva - eyes locked on Bakugou’s. He started to move his mouth as if he were to respond, but Bakugou panicked and shoved the door shut. Since Kirishima was only partially out of the dorm, Bakugou slammed the bottom of the door against his foot. It made Kirishima inhale a gasp from the pain and instinctively hop onto one foot. Bakugou used this to his advantage and pushed the door until it latched. He swiftly turned the lock and leaned his back against the door, gulping air down in panic.
“ You really did it this time, idiot, ” his conscience admonished him.
Bakugou stood there for probably ten minutes, listening for Kirishima to stop hopping around on one foot and finally move away from the door, having hovered in front of it for forever, and enter his own room. It wasn’t until 8:30 that Bakugou had cleaned up their mess and face planted into his bed. He groaned into his pillow and let his mind abuse him. To fully suffer, he pulled out his phone to tell Deku what happened so his friend can make fun of him, too. It’s then that he saw the notification that made his entire face redden up like a cherry. Bakugou threw his phone farther down the bed and screamed into his pillow.
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Shitty Hair: mine<3