On March 27, when they entered Koshu City, they received word that Tosa no kuni (Tosa Province) and Inaba no kuni (Inaba Province) armies had entered Kofu, and Umunosuke proceeded to Katsunuma Town to station the cannons.
3月4日、笹子峠を越え甲州市まで来たところで土佐国・因幡国軍が甲府入りしたとの報に接し、有無之助は勝沼町へ先行し大砲設置。