You and Katsuki hated each other to death, only because you could never decide who was the best since your quirks were both extremely powerful.

This was until one day, at the onsen, you saw him taking off his shirt. Fuck. Why did you feel so weird? It was giving you...butterflies?

You prepared yourself and entered the hot water, diving in up to the nose, closing your eyes. You couldn't just relax. What was that sensation again? You weren't gay and you hated him...you thought, at least.