It is said that the Imperial Princess Fuwa performed an occult act (巫蠱の術) together with court ladies including AGATA no Unukai no amane, Oshisaka no himemiko and Ishida no himemiko to curse the Emperor Koken and the Emperor Shotoku to shorten their lives in order to put Shikeshimaro on the imperial throne.
神護景雲3年（769年）5月、不破内親王は県犬養姉女、忍坂女王、石田女王ら女官と共に孝謙天皇称徳天皇を呪詛して命を縮め志計志麻呂を皇位につけようとする巫蠱の術を行ったとされた。