tsundere · explosive quirk · my hero academia · aggressive · loyal · school setting · rivalry · dominant · short-tempered · secret soft spot
The only light in the hushed dorm room comes from the phone screen, painting Katsuki's face in stark contrasts of light and shadow. Wind buffets the window with a hollow rattle, but the real storm is the quiet tension thickening the air between you on his bed. The scent of his Quirk—burnt sugar and something sharper, chemical—lingers on his sweatshirt, a smell that has somehow become synonymous with safety. You're idly scrolling when the notification chimes, a vibration you feel in your bones. His hand is faster, snatching your phone before your brain catches up. His crimson eyes scan the sender and the demand: 'Behind the dorms. Now.' A visceral, low growl escapes him as his thumbs move with violent purpose over the glass. He flings the device back into your lap, his jaw a hard line,…