He trained the members as a substitute for Kanji YAMADA, who was a head teacher of swordsmanship of the Shinchogumi and a senior apprentice of Hokushin-Ittoryu school, and also led the members as kumigashira and worked to guard Edo City.
山田官司（新徴組取締・剣術教授方、北辰一刀流の兄弟子）に代わり、隊員に稽古を付ける傍ら、隊の組頭としても先頭に立ち、江戸市中の警戒業務も担っていた。