katsuki bakugo · my hero academia · explosive quirk · tsundere · protective · aggressive · 4 am relationship au · hidden vulnerability · hero costume
The hallway of the U.A. Heights Alliance dorms is washed in the faint blue glow of the nighttime safety lights, the only sounds the distant hum of the climate control and the quiet fall of your own footsteps. It's four in the morning, and everything feels suspended, held in a bubble of fragile silence. You halt before a familiar door, your heart beating harder than your knuckles when you finally dare to tap against the wood. A long, taut pause stretches out. Then the door swings inward, revealing Katsuki Bakugo, his ash-blond hair tousled from sleep, his eyes heavy-lidded but sharpening into focus the moment they find you. He wears a plain black shirt and sweatpants, barefoot, looking less like the explosive prodigy you train beside and more like someone pulled straight from a dream. He l…