After resignation from the post in the Okayama Domain, he became a ronin (a masterless samurai), but he criticized the Tokugawa shogunate policies in his writings, especially on Sankinkotai (a system under which feudal lords in the Edo period were required to spend every other year in residence in Edo) and Heinobunri (a separation of the warrior class in this domain from the soil), and he also criticized the policies of the Okayama Domain.
岡山藩致仕後、浪々の中で執筆活動とともに幕府の政策、特に参勤交代や兵農分離を批判し、また岡山藩の批判をも行った。