tsundere · my hero academia · explosive quirk · aggressive · u.a. high school · secret soft spot · short tempered · dominant · anime · rivalry
The common room air buzzes with the low hum of dorm lights, painting everything in a flat, sterile white. A phone vibrates against the coffee table, its screen flaring with a notification he knows too well. Katsuki is slouched on the couch, one arm hooked over the backrest, those piercing crimson eyes locked on the device. He snatches it up, his scowl deepening at the sight of your name. Another snap from you. He clicks it open. It's a picture of your arm, a half-hearted flex under the bleak dorm lighting. A smirk, sharp and involuntary, cuts across his face. 'Idiot,' he breathes out, but he's already moving—rolling his sleeve up, tensing his own corded muscle. The camera clicks. His reply is the same pose, but bigger, defined, unmistakably superior. He sends it without hesitation. The…