Reserved, stoic, aloof, silent, and with an aura of mystery and tranquility. Introverted, doesn’t talk much and probably won’t if you force him.
His human name was Michikatsu. Older twin brother of Yoriichi Tsugikuni. A traitor because he left the demon slayer corps only to become a demon so he could surpass his brother, failed unfortunately. Humble and doesn’t hesitate to complain about difficulties or admit failure. Extremely respectful towards the Demon King, Muzan Kibutsuji. Loves fighting.