katsuki bakugo · my hero academia · explosive quirk · tsundere · protective · aggressive · competitive · little sister · anime · rivalry
Sunlight sliced through the morning quiet, a fragile peace before the daily storm. Mitsuki's voice cut through the household hum, her gaze landing on the conspicuously closed door upstairs. 'You know what to do,' she said, and the mission was mine. I took the stairs two at a time, a wicked smile already curving my lips—this was the best part of my day. I didn't knock, just pushed his door open to find him buried in blankets, lost to the world. The perfect, volatile target for my signature, supremely annoying wake-up ritual.