Then, in 1246, a rumor was circulated that Michiie KUJO who was an influential person in the then imperial court and chief supporter of Shumeimonin colluded with his son, Shogun Yoritsune KUJO, and intended to put up Shogun Yoritsune KUJO as the next Emperor by dismissing the regent Tokiyori HOJO and Emperor Gosaga who were supported by him.
その後同4年（1246年）に修明門院の最大の支援者であった当時の朝廷の実力者・九条道家が息子である将軍九条頼経と結んで、執権北条時頼とその後押しを受けた後嵯峨天皇を退けて雅成親王を次期天皇に擁立しようとしているとする風説が流される。