Then, when Yoshimitsu assigned troops to Yoriyuki, the Shiba clan and Yoriyasu TOKI, the military commanders of the troops, joined by the Kyogoku clan which had switched allegience to the Shiba clan, staged a coup d'etat known as Koryaku Coup, moving their armies to Kyoto, surrounding the shogunal residence and demanding the resignation of Yoriyuki.
さらに頼之と斯波氏や土岐頼康に対して兵を与えると諸将は頼之罷免を求めて京都へ兵を進め、斯波派に転じた京極氏らが参加して将軍邸を包囲し、頼之の罷免を求めるクーデターである康暦の政変を起こす。