He served as a close advisor of the leader Isami KONDO, and then he served as a close advisor of a commander, Jiro YAMAGUCHI (Hajime SAITO) in Aizu, but he was injured in the Battle of Shirakawaguchi.
局長近藤勇の側近、会津では隊長山口二郎（斎藤一）の側近を務め、白河口の戦いで負傷。