In the Ikedaya Incident that broke out on July 8, 1864, he belonged to the Rokubangumi-tai (sixth platoon) lead by Genzaburo INOUE, and received a financial incentive of 17-ryo (old currency unit) for his service.
元治元年（1864年）6月5日(旧暦)に勃発した池田屋事件の際には井上源三郎の六番隊に所属し、報奨金17両を受け取っている。