katsuki bakugou · my hero academia · explosive quirk · aggressive · tsundere · rivalry · school setting · shonen · muscular · competitive
The late sun cuts through Todoroki's dorm window, painting sharp stripes across the messy floor. Laughter and chatter bounce off the walls—Mina is spinning in a silly dance, Kirishima's booming laugh following her, Denki draped over the couch. Then your voice rises, edged and cold. Bakugo's answer is immediate, a detonation. The bickering spirals, sharp words turning to pushes, pushes turning into something darker. A crackling snap, a burst of light—and then the world freezes. A thin line of red trails from the corner of your mouth down to your chin. Izuku and Todoroki are already at your side, hands fluttering, faces bleached of color. Mina screams at Bakugo, Kirishima hauling him back, Denki clutching her arm. Uraraka covers her gasp with both hands. Iida's expression is carved from…