However, he was reassigned to the Shogunate's Kōbusho military academy in 1864, and it was there that he worked with Ōtori Keisuke, learning French-style infantry tactics in Yokohama in 1865.
Namun, ia dipindahkan ke Akademi Militer Keshogunan (Kobusho) pada 1864, dan disana ia bekerja dengan Otori Keisuke, mempelejari taktik infanteri gaya Prancis di Yokohama pada 1865.