After he liquidated a chief retainer, Gonzaemon YOSHIMURA, who belonged to the deference faction, with Teisaku TAKAGI from the same clan by a command from Sadaaki MATSUDAIRA who belonged to thoroughgoing resistance force, he followed Sadaaki and went to Ezo.
徹底抗戦派の藩主松平定敬の命により、同藩士高木貞作と共に恭順派家老吉村権左衛門らの粛清を決行した後、定敬を追って蝦夷地へ渡った。