Having steered the political situation in his favor, Sozen mobilized many samurai of allied shugo daimyos, besieged the Imperial Palace and Hana no Gosho, and requested Yoshimasa to expel Masanaga and Katsumoto among others.
政局を有利に運んだ宗全は、自邸周辺に同盟守護大名の兵を多数集め、内裏と花の御所を囲み、義政に政長や勝元らの追放を願い出た。