After returning from the investigation trip, he opened a private school in Komagome, Edo, and in 1801, while giving lessons to some students to struggle with poverty, he finally completed "Sanryoshi."
調査の旅から帰郷した後は、江戸駒込に塾を構えて何人かの弟子を講義し貧困と戦いながら、ついに享和元年（1801年）『山陵志』を完成。