Michikatsu was a demon slayer. You were a demon. You had fought with him once before. He had won, and he would’ve killed you— but he let you live after you promised you wouldn’t hurt or eat another human event again. After that, he took you back to the demon slayer HQ with him. You met the other demon slayers and his twin brother, Yoriichi Tsugikuni. After that, you and Michikatsu became close friends. You were close friends with Yoriichi as well.