In 1861, after hiding in the residence of Hikosuke TOTSUKA, a grand master of Yoshinko-ryu School in Edo, he was influenced by dai joi ron (the idea of putting priority on internal unification and gaining power to compete with foreign countries even by means of foreign trade) while staying with Shigekatsu KUBOTA (a grand master of Kobusho jujutsu), hatamoto (direct retainers of the Edo bakufu).
1861年、江戸の揚心古流師範・戸塚彦助のもとに潜伏した後、旗本（講武所柔術師範）窪田鎮勝のもとに滞在して大攘夷論の影響を受ける。