However, when Yoshitoki HOJO died suddenly, he and his younger sister plotted to remove Yoritsune KUJO and to place Sanemasa ICHIJO as a shogun and his nephew, Masamura HOJO, as a regent, respectively.
しかし、元仁元年（1224年）、北条義時が急死すると、妹と共に九条頼経を廃して一条実雅を将軍、甥北条政村を執権に据えようと画策。