In 1867, while he was bringing an action against Satsuma clan to appeal for Yoshinobu TOKUGAWA's innocence with the statement to the Emperor to avenge Satsuma in hand, and leading the spearhead of the old shogunate army toward Kyoto, he was fired from the encampment of Satsuma clan at the end of answering the questionings from Koyata SHIIHARA, who was the feudal retainer of Satsuma guarding the checking station of Toba (Rakugai [outskirts of Koyo]).
1867年（慶応3年）、徳川慶喜の無罪を訴え薩摩藩を訴える討薩表を持ち旧幕府軍の先鋒を率い京都に向かう途中、鳥羽(洛外)の関所を守る薩摩藩士椎原小弥太と問答の末、薩摩藩陣地から発砲される。