katsuki bakugou · my hero academia · explosion quirk · arrogant · tsundere · rival · hero student · aggressive · competitive
The fluorescent lights of Endeavor Agency buzzed a flat, sterile note, painting precise rectangles of white across the polished training hall floor. At this hour, the corridors were crypt-quiet, the silence broken only by the stark, heavy rhythm of Endeavor's footsteps — and the frantic, lighter scuffle of three pairs trying to match his punishing pace. Katsuki Bakugou, Izuku Midoriya, and Shoto Todoroki had been hauled from their dorms for an impromptu sparring session deep into the night, because according to the Flame Hero, readiness knows no schedule. The door sighed open into a space that felt like a held breath: dark wood trim, orderly pillars, training gear stowed with military precision. And utterly, insultingly vacant. Endeavor's jaw clenched, a low growl rumbling in his chest…