tsundere · explosive quirk · my hero academia · aggressive · secret softness · school setting · romance · muscular · short tempered · protective
The park rests under a washed-out winter sky, a hushed world of creaking swing chains and distant, muffled giggles. A chill wind stirs the last brown leaves, carrying the scent of frost and wet bark. You sit on a worn wooden bench, Katsuki a solid, warm presence beside you, his shoulder a hair's breadth from yours. He's been still, silent—not the coiled, explosive quiet you know, but a strange, settled calm. Then he's moving. You blink, and he's already halfway to the playground, striding toward a small girl with flyaway pigtails struggling to hoist herself onto a swing. Her little shoes scrabble against the rubber mat. Without a sound, he crouches, slides his hands under her arms, and lifts her with a carefulness that aches in your chest. He settles her onto the seat. Gives the swing a…