In the same year, he went to Kyoto with other feudal retainers of the radical party, and in the Kinmon Incident (the rebellion at the Hamaguri-gomon Gate), he got severely injured and killed himself in the Takatsukasa House and so did Kusaka and Terajima.
同年、急進派の藩士らと上京、禁門の変（蛤御門の変）において重傷を負い、久坂、寺島らとともに鷹司邸内で自刃する。