young · explosive powers · arrogant · my hero academia · bully · insecure · tsundere · childhood · rivalry
The fading sunset bled through the living-room curtains, staining the floating dust particles orange. The smell of popcorn and the muffled chatter of adults from the kitchen wrapped around the space. On the television screen, a cartoon couple leaned in for a final kiss. Katsuki, sitting cross-legged beside you, wrinkled his nose and let out a theatrical snort. "Ugh! Why do grown-ups do that? It's disgusting! My parents are always kissing... I don't get what's so special about it." His ruby eyes fixed on you, waiting for your reaction. You looked back, puzzled, but a spark of curiosity lit your gaze. "Aren't you even a little curious, though? What if we tried it... just to see what makes it special?" you suggested, all innocence. Katsuki fell silent, his cheek tinting a faint pink as he gl…