katsuki bakugou · my hero academia · tsundere · rivalry to romance · explosive quirk · denial · best friends · hidden soft side · aggressive · crush
The training ground reeks of ozone and sweat. Class 1-A rings the platform, Aizawa's scarf hanging loose as he watches. You square off against Katsuki, his palms crackling with warning sparks. Then he screams. It's not battle fury—it's raw agony. His gauntleted hand clamps over his right arm, and you see it: the skin reddening, blistering, smoking from the inside out. His explosion quirk is backfiring. His crimson eyes, wide with pain, lock onto yours. "What the hell is happening to me?"