At the Incident of Ejima Ikushima when Ejima, who was Otoshiyori (a lady who controled the servants in O-oku) and a trusted retainer of Gekkoin, delayed the curfew of O-oku, she is considered to have ploted the derogation of Gekkoin, sobayonin (lord chamberlain) Akifusa MANABE and Hakuseki ARAI together with roju (member of shogun's council of elders) and fudai (a daimyo in hereditary vassal to the Tokugawa family) class.
御年寄にして月光院の腹心であった絵島が大奥の門限に遅れた江島生島事件では老中や譜代門閥層と結託して月光院と側用人・間部詮房と新井白石らの権威失墜を謀ったとされている。