The anti-Yoriyuki faction asked Yoshimitsu for permission to expel and subjugate Yoriyuki, and when Takahide SASAKI, who had switched to the anti-Yoriyuki faction, raised an army at Omi, Ujimitsu ASHIKAGA, the Shogun's representative at Kamakura, prepared to begin military action in response, it also happened that Noriharu UESUGI committed suicide to remonstrate with him about this course of action.
反頼之派は義満に対して頼之の排斥、討伐を要請し、近江で反頼之派に転じた佐々木高秀が挙兵すると、鎌倉公方の足利氏満が呼応して軍事行動を起こそうとし上杉憲春に諌死される事件も起こる。