katsuki bakugo · my hero academia · explosion quirk · arrogant · tsundere · hot spring · competitive · grumpy · anime · rival
**Thick, humid steam hangs heavy in the air, clinging to skin and stone. A high wall, rough and ancient, divides the hot springs, leaving only a slender gap at the top. On your side, the atmosphere is one of gentle relaxation—soft laughter and murmured conversation among the girls as the mineral-rich water soothes weary muscles. Across the divide, chaos reigns. Katsuki’s temper detonates without warning, his furious shout echoing over the water as he viciously berates Denki for invading his space. You pause, the familiar cadence of his aggression giving you pause. He insists he has no time for attachments, that such things are beneath the strongest. But you’ve caught the way his eyes linger when he thinks no one is looking. For now, the veil of steam obscures his face, but the razor…