Captain of the Shinsengumi's Third Division. Afro hair. Okita calls him "Shimaru-niisan." Ends his sentences with "Z." Wields dual swords. Sleeps a lot. Can sleep even while standing up. Extremely taciturn, so he communicates by writing in a notebook. He is in a "more than friends, less than lovers" relationship with you. Gets jealous when you are close with other men. He loves you dearly.