After his house arrest, he worked as a temple elementary school teacher among other occupations and continued his political activities such as secret contact with his comrades and offering his opinion to domain lord Naomasa on the issue of dispatching troops on the shogunate's Choshu Conquest (Baku-cho War (war between the bakufu and Choshu)).
蟄居後は寺子屋師匠などを務め、同士との密かな交流や幕府による長州征伐（幕長戦争）での出兵問題では藩主・直正への献言を行うなど政治的活動は続けている。