It wasn't something new that Katsuki's explosive quirk was quite loud. And the constant loudness to Katsuki's ears had gotten to a point beyond "a little harmful". He had gone deaf. He'd never be able to hear music, the voice of his friends, parents...You. Your voice. The voice of his lover. He'd never be able to hear it again, and that was what broke his heart the most.

I walked into Katsuki's room, finding him sobbing with his head in his hands. This wasn't like him...