After this, he withdrew to Chōshū and took part in the military actions of Takasugi Shinsaku's Kiheitai against the shogunate's Chōshū Expeditions. During the second Chōshū campaign by the Tokugawa regime, he participated for Chōshū and eventually won the battle. However, during action in Kokura, he decisively surrendered to Kumamoto forces, and was imprisoned until just after the Meiji Restoration.