In September of the same year, Imperial Prince Toneri announced the investiture of the Empress Komyo, who came from the Fujiwara clan to cooperate in the establishment of the administration of four brothers of Fujiwara clan.
同年8月には藤原氏出身の光明皇后の立后を宣言するなど藤原四兄弟政権の成立に協力した。