In 1862, members of Seichugumi gathered in Kyoto for showing their loyalty to the Emperor and overthrowing the Shogunate, and he joined a party which was organized mainly by Shinshichi ARIMA within Seichugumi.
文久2年（1862年）、勤王倒幕のため京に集結した精忠組内の有馬新七らの一党に参加した。