In 1807, he wrote "Fujutsui" which urged the necessity of protection of the northern areas, and presented it to the cabinet official of the shogunate (Wakadoshiyori [a post to support senior councils] Tadaakira MIZUNO), but as a result he was put under watch of the Tokugawa shogunate, summoned and was forced to shut himself in the house.
1807年（文化(日本)4年）、北辺防備を唱えた『不恤緯（ふじゅつい）』を著して幕閣（若年寄水野忠成）に献上するが、幕府の警戒するところとなり喚問を受けて閑居させられる。