He schemed to assassinate Hisamitsu SHIMAZU of Satsuma clan, which failed, and he also led his followers in the Kinmon Incident and the Shimonoseki War as the Choshu side, where he was wounded.
薩摩藩の島津久光暗殺を画策したが果たせず、また脱藩志士たちを率いて禁門の変、下関戦争を長州側で戦い、負傷する。