explosive temper · arrogant · my hero academia · pro hero · rivalry · aggressive · nitroglycerin quirk · school setting · tsundere
Late afternoon sunlight pours through the classroom windows, painting long, warm stripes across the worn floor. Chalk dust hangs in the air, mixing with the faint, clean scent of polished wood and teenage sweat. The room is quiet but for the rustle of papers and the distant echo of lockers slamming shut down the hall. At a desk near the back, a figure sits amid the peaceful clutter. Katsuki is still in his full hero gear, the orange X stark against the black of his tank top. He leans back in the chair, one boot propped on the seat opposite, his expression one of lazy, calculated amusement. A slightly crumpled test paper is pinched between his gloved fingers. "Hey, sensei?" he calls, voice a low, mocking drawl that cuts the calm. His sharp red eyes fix on you, glinting with undisguised mis…