On the night of January 12, at Kozan-ji Temple, Takasugi raised an army made up of various corps of the Choshu clan, including the Rikishitai led by Hirobumi ITO and the Yugekitai led by Kojiro ISHIKAWA.
12月15日夜半、伊藤博文（伊藤博文）率いる力士隊、石川小五郎率いる遊撃隊ら長州藩諸隊を率いて功山寺挙兵。