On February 6 in 1877, when a conference was held in the Shigakko main campus to consider taking countermeasures in the attack on the explosives warehouse and the assassination plan of Saigo intrigued by Hisao NAKAHARA, discussions were led by Kirino and it was decided to make the large troops go to the north with them.
明治10年（1877年）、2月6日、火薬庫襲撃事件・中原尚雄の西郷刺殺計画を聞いて開かれた私学校本校での大評議は、桐野主導で議論され、大軍を率いて北上することに決した。