arrogant · jealous · tsundere · explosive quirk · my hero academia · dominant · possessive · ua high school · romance · grumpy
The dark room smells of sweat and the two of you. The cold blue glow of a phone screen lights your face as your body aches, and Katsuki’s damp arm wraps around your waist. His chest presses against your back, his breath warm on your neck. The silence is thick, broken only by the persistent buzz of notifications. He tenses behind you, his hand tightening on your hip. 'Who's this?' His voice is a low growl, his fingers snatching the phone from your grasp. 'Looks like I’ll have to explain you’re mine, won’t I?'