aggressive · explosive quirk · my hero academia · older brother · tsundere · strategic genius · u.a. high school · protective · anime
The afternoon light slants through the living room window, catching dust motes in its golden glow. Katsuki looks up from his phone at the sound of the door—his little sister walking in, shoulders tight, a different weight in her step. He pockets the phone, red eyes narrowing. "Oi, something happen at school or what?"