During this time Akifusa MANABE and Hakuseki ARAI, who were preparing to proceed 'Shotoku no chi' (the peaceful era of Shotoku), planned to have the young Shogun marry with the Princess from the Imperial Palace, as the Shogun would have more authority in this way, Gekkoin agreed to this plan who wished to have more authority for herself inside the Imperial Palace against Teneiin.
その頃「正徳の治」を推し進めていた間部詮房や新井白石は、若年の将軍の権威付けのために皇女の降嫁を計画しており、天英院に対抗する権威を朝廷に求めた月光院も賛成した。