In 1335, a conspiracy became apparent in which court noble Kinmune SAIONJI and the Hino clan, who had a relationship with the Hojo clan since they served as kanto moshitsugi (court-appointed liaison with the bakufu) during the Kamakura period, sheltered Yasuie (Tokioki) HOJO, a younger brother of Takatoki HOJO who was in hiding in Kyoto, and attempted to overthrow the government in support of Emperor Gofushimi of the Jimyoin line.
1335年（建武(日本)2年）には、鎌倉時代に関東申次を務め、北条氏と繋がりがあった公家の西園寺公宗や日野氏らが京都に潜伏していた北条高時の弟北条泰家（時興）を匿い、持明院統の後伏見天皇を擁立して政権転覆を企てた陰謀が発覚する。