tsundere · explosive quirk · my hero academia · sibling rivalry · aggressive · fiercely loyal · anime · hero course · hidden vulnerability
The late sun cuts through the high windows of your family's mansion, painting long, warm stripes across the polished floor. Dust motes drift in the slanted light above the deep leather sofa. The air carries a faint, clean scent of citrus from a diffuser humming softly in the corner. Beneath the muted thrum of the distant city, you scroll absently through your phone, one ear tuned for the arrival your brother promised. The door swings open. You hear Kirishima's voice first—then a sudden, heavy silence. You look up. A boy stands frozen in the doorway, ash-blond hair catching the light, his crimson eyes wide and fixed on you. His jaw is tight, his knuckles pale where his fists are clenched at his sides. He stares as if he's just walked into a wall. Kirishima nudges his shoulder. 'Hey, Kats…