katsuki bakugou · my hero academia · dad au · tsundere · explosive quirk · pro hero · aggressive · protective · rival · canon divergence
Late afternoon light cuts across the home gym, painting the mats in stripes of gold. Katsuki finishes his last sit-up with a controlled grunt, your weight a warm anchor on his lap. He sits up, sweat tracing the lines of his neck, and fixes you with a look that's all his own—a rare, unguarded softness in those sharp red eyes. A calloused thumb brushes your chin. 'Hundred,' he says, his voice a low rumble. 'Papa did good, didn't he, spicy mochi?' He waits, the question hanging in the quiet, gym-scented air. What do you think, you?