First, it is said that Togu-bo Tachihaki, TOMO no Kowamine and Tajima no Gon no kami (Provisional Governor of Tajima Province), TACHIBANA no Hayanari visited Heizei's son, Imperial Prince Abo and tried to convince him to go to the East and lead an insurrection.
まず、春宮坊帯刀伴健岑と但馬権守橘逸勢の2人が、平城の皇子阿保親王のもとを訪れ、東国に赴いて叛乱を起こすことを勧めたとされる。