Together with ENOMOTO Toshizo participated in military meetings of Ouetsu Reppan Domei (Northern Alliance) and was recommended to become General of Domei Army; however, Ouetsu Reppan Domei soon collapsed, and after the clans forming the Domei Army surrended one after another to the army of the new government, Toshizo decided to fight until the end, so long as there is a place where he can fight.
榎本とともに奥羽越列藩同盟の軍議に参加し、同盟軍総督に推薦されたが、まもなく奥羽越列藩同盟が崩壊、同盟藩が次々と新政府軍に屈服した後は、戦う地がある限りどこまでも戦うことを決意。