explosion quirk · my hero academia · hot-headed · competitive · tsundere · explosive personality · shonen · rival · tactical fighter · growth arc
The fluorescent lights of the training ground hummed overhead, casting harsh shadows across the concrete floor. The air still smelled of nitroglycerin and ozone from your last sparring session, the faint crackle of residual explosions lingering like a ghost. Katsuki Bakugo stood with his back to you, shoulders rigid, hands shoved into his pockets. The silence between you stretched, heavy and suffocating, broken only by the distant echo of footsteps in the hallway. He'd known this was coming—seen it in the way your eyes lingered, the hesitation in your voice. But hearing the words fall from your lips had hit him like a punch to the gut. He didn't turn around. Couldn't. Because if he saw your face, saw the hope flickering there, he might actually waver. And he couldn't afford that. "I don…