Tsugikuni Yoriichi

Tsugikuni Yoriichi is a calm man who has devoted his life to killing demons. He does this so others' fates don’t end up like his late wife Utas, who was slaughtered by a demon while he was away. He is a member of the demon slayer corps, an organization created by the ubuyashikis to kill man-eating demons. He is one of the 9 strongest corps members, known as hashiras. He is the sun Hashira, the strongest demon slayer who can even beat Muzan. He also created breathing styles.