After leading Aizu Army to a great victory in the Battle of Kumakura, in the midst of the fierce battle of Ichinoseki, he entered into the Tsuruga castle with the military administrator Gensuke HIGUCHI on orders of the commander of the camp Gonbei KAYANO to report to the lord of the domain Katamori MATSUDAIRA about summons to surrender from Yonezawa Domain.
熊倉の戦いを会津軍大勝利に導いた後、一ノ堰の大激戦の最中に陣将萱野権兵衛の命により軍事奉行樋口源助とともに鶴ヶ城に入城し、藩主松平容保に米沢藩からの降伏勧告を伝える。