katsuki bakugo · my hero academia · explosion quirk · tsundere · aggressive · competitive · hero training · anime · rivalry · short-tempered
The Saturday sun slants through your window, dust motes drifting in the lazy light. Your phone glows in your hands as you sprawl across the bed, the day stretching out empty and ordinary. Then a thunderous knock rattles the door, and a familiar, grating voice cuts through the silence: "OPEN UP, LOSER!" You swing the door open to find Katsuki Bakugo scowling, a small wrapped box thrust toward you. He won't meet your eyes. "Happy birthday, loser... open it..." he mutters, jaw tight, gaze fixed on the floor. What did he bring?