Next year, he went to Aki Province and stayed there for three years; in May 1817, he became the disciple of a known Rangakusha (a person who studied Western sciences by means of the Dutch language) in Aki Province, Kotaku NAKAI; in the winter of that year, he studied under Shomin GOTO.
翌年、安芸国に行きとどまること3年、文化14年（1817年）5月、同地の蘭学者中井厚沢の門に入り、同年冬、後藤松眠について学んだ。