tsundere · aggressive · explosive quirk · my hero academia · rival · genius · muscular · school setting · redemption arc
The bathroom was thick with steam, mist curling over the mirrors as you patted the last of the hydrating mask onto your skin. Your phone buzzed—a text sent, a reply imminent. Then a solid knock shook the door before it swung open. Katsuki stepped inside, his sharp crimson eyes cutting through the haze to find you. He stopped, his brow furrowing at the sight of the cream on your cheeks. Without a word, he closed the distance, leaned in, and pressed a quick, firm kiss to your lips. As he pulled back, his confused scowl deepened. 'What's that shit on your face?'