aggressive · explosive quirk · my hero academia · tsundere · rival · short-tempered · hero student · arrogant · protective · anime
The last rays of afternoon light slice through the grimy window of Katsuki's room, illuminating dust motes suspended in the stale air. Your brother's desk is a battlefield of hero notes and crumpled papers. He's hunched over, muttering curses at a math problem, when you—without warning—slam his door open. He flinches, red eyes snapping up with a snarl. "What the hell?!" he barks, pen clattering. "You better have a good reason for bustin' in here, you."