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Kirishima was well aware of how strong his boyfriend, Bakugou Katsuki, was. Whether the blonde was a capable person and hero was never a question that came to anyone’s mind, Kirishima’s being no exception. He knew how confident and skilled his partner was. He was a force to be reckoned with, and had a quirk that seamlessly reflected his wrecking ball of a personality. Not to mention, he was manly as hell! Kirishima loved his strong boyfriend to pieces.
Over the course of dating Bakugou, though, Kirishima was given the opportunity to see the softness held beyond that strength, which he adored to no end. Although, Bakugou being Bakugou, always denied being anything but an aggressive fireball of a man. Kirishima understood why he did that, he guessed. It's only natural to want to be anything but soft when your brand was essentially the very opposite of that, but Kirishima thought it was cute!
So when a bug appeared on the wall in Bakugou’s room one Thursday afternoon, Kirishima had to use all of the strength he could muster to not outwardly gush at his currently “absolutely not panicking” boyfriend.
They had been studying together as they usually did in the afternoon, reviewing for next Friday’s test on Ethical and Unethical Quirk Usage. It was the beginning of second year, so the section of their textbooks they were studying was mostly a review of the previous year’s content. When Bakugou had pulled out his textbook first thing when they entered the room, Kirishima protested immediately.
“C’mon Bakugou, we know all of this from last year! What more is there to study?” Bakugou merely rolled his eyes at the complaint, setting the book on his desk as he flipped to the appropriate section. “Yeah, and the content’s only gonna pick up from here, so we gotta make sure we know this shit inside and out.” He said as he pulled out a notebook and a few writing utensils from his backpack.
Kirishima whined and trudged towards the bed, dramatically slinging his backpack off his shoulder before sighing and pulling out the necessary materials. At least he was spending some sort of time with his boyfriend, he supposed.
After about an hour of studying, Kirishima was seriously starting to lose focus. He yawned and waved his pen between his fingers, occasionally drumming it on his textbook. He looked curiously over at his boyfriend, eyes boring into the back of his head as if staring at him would telepathically communicate that he wanted a break. Like, a two hour long break.
As he stared at the tuft of blonde hair, he noticed a spec in the corner of his vision. His eyes automatically flicked upwards, then widened when he noticed what the spec actually was.
“Oh shit– spider,” he announced, standing up once he processed the large bug on the wall.
“Wha-” Bakugou began, before looking up at whatever the hell Kirishima was staring at. He froze as he noticed the Daddy Long Legs on the wall directly in front of him, only a couple of inches above where his head was. He let out a sound between a squeak and a scream before he scrambled out of the desk chair he was sitting in, his legs automatically carrying him to the other side of the room where Kirishima was before instantly getting behind him.
Thanks to being a designated human shield and muscle memory, Kirishima immediately moved his arm back towards Bakugou to shield him away from the invading arachnid, before he paused for a second, realizing Bakugou had scurried behind him for protection, over a spider .
Kirishima did not know whether to giggle because of a cuteness overload, or die laughing because of the complete absurdity of it all.
“C-Couldn’t you have just… blown it up?” Kirishima asked, trying his best to hide his amusement. He peeked behind himself to see Bakugou glaring at him. “That would’ve blown up my textbook and charred the fucking wall, idiot!” Kirishima nodded, accidentally letting a snort slip through. “Right, right.” Bakugou glared at him even harder. “Are you fucking laughing at me, you shitty-haired brick house?! Just kill the fucking spider!”
Kirishima sighed and shook his head, moving forward as Bakugou moved back. “I don’t wanna kill the poor guy. He didn’t do anything, he was just looking for a home! I don’t think killing it would be very manly of me, you know?” Bakugou let off a small, aimless explosion. “No not, ‘you know’!” he said exasperatedly, “It’s a fucking SPIDER.”
Kirishima rummaged around his room, looking for something to capture the bug with. “Just give me a second,” he told Bakugou as he held up a finger. As Kirishima searched, the spider moved slightly to the left. Bakugou shriveled a little on his side of the room. “KIRISHIMA! Kirishima! It fucking MOVED! Hurry the fuck up and get that fucking spider the FUCK out of my room!”
“I’m moving, I’m moving!” He soothed quickly as he finally pulled out a random container he found somewhere in his closet and a piece of paper. Bakugou, now sitting on the floor, watched intently as Kirishima carefully secured the offending thing between the container and piece of paper, scooting himself away from his boyfriend as Kirishima walked past him to let it out somewhere on the balcony.
“There you go!” Bakugou heard Kirishima say as he supposedly let the thing roam free outside. “Okay, now close the fucking door!” Bakugou yelled once he knew the thing was finally out of his room and far, far away from him. He heard Kirishima scoff (the bastard) before closing the door, sealing the thing outside for good.
Kirishima then turned around, him and Bakugou staring at each other in silence.
“So… I take it you don’t like spiders?” Kirishima asked, a slight teasing lilt in his voice. When Bakugou just looked away and pouted, Kirishima’s face cracked into a smile, running over to Bakugou and picking him up into a strong embrace. “It’s okay Bakugou! I’ll always come and get rid of the spiders for you!” he said earnestly, nuzzling Bakugou in the process. Bakugou growled, harmless as he didn’t move to leave Kirishima’s embrace.
“Tell anyone and I’ll blow your face off,” he threatened. Kirishima only hugged Bakugou tighter. “You wouldn’t do that, you like me way too much.” Bakugou grumbled, muttering into Kirishima’s shoulder, “...Damn straight.” Kirishima laughed. “Only not straight, because you’re not straight,” he joked.
“I swear to god, Kirishima.”