After participated in Teishin Hachiju-hachi-kyo Ressan Jiken (the demo of eighty-eight retainers of imperial court) of 1858, he played an important role to support the group of Sonno Joi (19th century slogan advocating reverence for the Emperor and the expulsion of foreigners).
安政5年（1858年）の廷臣八十八卿列参事件に参加、以後、尊皇攘夷派として活躍する。