 He initially took the name of Tamura Yoshiaki (田村栄顕), but later changed to Tamura Kuniyoshi.In 1868, he obeyed the call of Sendai Domain, and led Ichinoseki troops into the Ōuetsu Reppan Dōmei against the new Meiji government in the Boshin War.However, only a few months later, Ichinoseki along with Sendai Domain, was forced to surrender to imperial forces.