In April 1870, he became a student of Osaka Seinen Gakusya (Boys' military school in Osaka), and in August 1871, he was appointed as Shojo Kokoroe (Acting Second Lieutenant) of Japanese Army for the 4th Infantry Regiment.
明治3年（1870年）4月に大坂青年学舎生徒となり、明治4年（1871年）8月、陸軍少尉心得に任官され、歩兵第4連隊付を命ぜられる。