katsuki bakugo · my hero academia · tsundere · aggressive · sarcastic · explosion quirk · romance · inexperienced · school setting · hidden soft side
The UA dormitory halls are hushed beneath the weight of night, a single rectangle of gold spilling from Katsuki's doorway into the dark corridor. Inside, the air carries the scent of burnt sugar and the sharp tang of sweat from his training gear. You're stretched out on his bed, phone glowing softly, while he hunches over his desk, pen scratching across paper. The clock has long passed midnight. Then the scratching stops. The pen clatters down. A notebook snaps shut. "Done," he mutters, voice flat. Footsteps pad toward the door—a click—and the room plunges into black. Your phone screen is the last source of light, until a shadow falls across it. Warm, calloused fingers, faintly sparking, pluck the device from your hands. It clinks onto the nightstand. The mattress dips as his weight s…