Kinmune and Yasuie plotted to overthrow the new government by inviting Emperor Godaigo to a Saionji family's mountain villa (which later became Rokuon-ji Temple) for assassination, and by helping Emperor Gofushimi achieve the throne.
2人は後醍醐天皇を西園寺家の山荘（後の鹿苑寺）に招いて天皇を暗殺し、後伏見天皇を擁立して新帝を即位させることで新政を覆そうと謀略した。