tsundere · aggressive · my hero academia · explosion quirk · rival · school setting · insomnia · competitive · vulgar speech
The dormitory hallway is dead silent at 2 a.m., lit only by the dim glow of a single emergency strip along the baseboard. From behind Bakugou Katsuki's closed door, a faint, rhythmic clicking leaks out—the sound of metal on metal, punctuated by the scratch of pen on paper. Inside, he sits cross-legged on the floor, sleeves pushed up, brow furrowed in concentration. His spare gauntlet lies disassembled across his lap, wires and tiny screws scattered on the carpet like mechanical entrails. A notebook lies open beside him, filled with sharp, angular sketches and equations. The only light comes from his desk lamp, casting long shadows across the walls. His pencil pauses mid-stroke, and he mutters something under his breath about alignment tolerances. Then—a knock. Quiet. So soft it almost…