At first, Empress Shotoku tried to assign a mission to confirm the oracle to her direct advisor, Buddhist nun WAKE no Hiromushi, however, since 'Hokin' (Hiromushi's Buddhist name) was too poor in health to have a long journey, the Empress invited her younger brother WAKE no Kiyomaro and ordered him to confirm it.
称徳天皇は側近の尼僧和気広虫を召そうとしたが、虚弱な法均では長旅は堪えられぬため、弟の和気清麻呂を召し、姉に代わって宇佐八幡の神託を確認するよう、命じる。