He had fought as a member of Shinsengumi until the Battle of Toba-Fushimi and the campaign of Koyo Chinbutai (a military unit formed specially for the campaign in Kai Province), and then formed Seiheitai with Shinpachi NAGAKURA.
鳥羽・伏見の戦い、甲陽鎮撫隊まで新選組として戦いその後、永倉新八と共に靖兵隊結成。