In 1864, he became an instructor at hanko (a domain school) of the Satsuma Domain, Zoshikan school, and by the order of the so called 'adored leader as father of the Satsuma Domain,' Hisamitsu SHIMAZU, he wrote "Kochoseikan" (imperial court almanac).
元治元年（1864年）に藩校・造士館の講師となり、薩摩藩国父・島津久光の命により『皇朝世鑑』を著す。