In the Battle of Toba-Fushimi, he fought against Shinsengumi under the command of Hanjiro NAKAMURA of the Satsuma clan, and then joined the spearhead convoy of the expeditionary force to the east.
鳥羽・伏見の戦いでは、薩摩藩の中村半次郎の指揮下に入って新選組と戦い、後に東征軍の先鋒隊に合流する。