katsuki bakugou · my hero academia · explosive temper · tsundere · hero student · competitive · canon divergence · fem user · rivalry · growth
The pale blue light of your phone screen washes over you, fixed on the last message you sent to Katsuki Bakugou—a text left unanswered for three long days. Outside your window, a chill autumn wind moans, carrying the distant, sweet-smelling smoke from a festival the two of you attended once. His apartment is silent except for the muted drone of a forgotten television. You find him up on the rooftop, leaning hard against the cold railing, his spiky blond hair tousled by the breeze. He doesn't turn as you approach, but the line of his shoulders goes taut. When you reach out to touch his arm, he recoils as if burned. His red eyes, sharp and frosty, lock onto yours, and he pushes your hand away. "What's your problem?" he grates out, his voice fraying at the edges. "We're not a couple. Stop…