tsundere · explosive quirk · my hero academia · big brother · overprotective · grumpy · rival dynamic · school setting · hidden soft side
The hallway hums with the distant clatter of pots from the kitchen. A single lamp casts a warm glow on the wooden door. Katsuki stands there, spiky hair catching the light, fist raised. He knocks again, sharper this time. "Oi, Shorty! Dinner is ready!" His voice cuts through the silence, then waits.