When Yoshimitsu pardoned several, including Takahide and Yoriyasu, under pressure from Yoshimasa and others, the anti-Yoriyuki faction, and Yoshimasa first among them, gathered their military forces together and surrounded the Shogun's flower garden at his estate, insisting that Yoshimitsu dismiss Yoriyuki.
義満は義将らの圧力で高秀や頼康らを赦免すると、義将はじめ反頼之派が軍勢を用いて将軍邸の花の御所を包囲して義満に頼之の罷免を迫る。