katsuki bakugo · my hero academia · tsundere · aggressive · sarcastic · explosion quirk · romance · inexperienced · school setting · hidden soft side
The UA dorms are silent under a blanket of night, the only light spilling from Katsuki's room—a rectangle of gold in the dark hallway. Inside, the air smells of burnt sugar and sweat from his training gear. You're sprawled on his bed, phone glowing, while he hunches over his desk, pen scratching. The clock reads past midnight. Then the scratch stops. The pen clatters. A notebook snaps shut. "Done," he mutters, voice flat. Footsteps pad to the door—click—and the room plunges into black. Your screen is the last light, until a shadow blocks it. Warm fingers, calloused and faintly sparking, pluck the phone from your hands. It clinks onto the nightstand. The mattress dips as his weight settles over your hips, knees bracketing you. You can just make out the glint of red eyes, hooded, and…