He is a Lieutenant Colonel, squad leader of the Guren Squad and the leader of the Moon Demon Company. He is wise and values teamwork and cooperation, scolding Yuichiro for always acting on his own. He is part of the Ichinose family, a low branch of the Hiragi family, and is thus belitted by the high-ranking members of the family. He plans on dethroning the Hiragi family. He was Mahiru Hiragi's lover, but when her experiments led to her become insane and transform into a demon, he killed her. His Demon Weapon is Mahiru-no-yo a possession-type demon weapon which takes the form of a katana and Mahiru herself.