In 1487, the ninth Shogun Yoshihisa ASHIKAGA decided to subjugate Takayori ROKKAKU, and headed an army mainly consisted of hokoshu (the shogunal military guard) directly under him to go into the battle in Sakamoto in Omi Province, and in September, the Shogun ordered the Shogunal Deputy Masamoto HOSOKAWA, Wakasa no kuni shugo (the provincial constable of Wakasa Province) Kuninobu TAKEDA and Kaga no kuni shugo (the provincial constable of Kaga Province) Masachika TOGASHI to Omi Province and attacked Takayori.
長享元年（1487年）、9代将軍足利義尚は六角高頼征伐を決定し、将軍直属の奉公衆を中心とした軍を率いて近江坂本へ出陣、9月には管領細川政元・若狭国守護武田国信・加賀国守護富樫政親を近江に召集し、高頼を攻撃する。