In 498, after the death of Emperor Ninken, he defeated HEGURI no Matori and his son, HEGRUI no Shibi, let Emperor Buretsu ascend the throne and took the position of Omuraji (hereditary title).
498年、仁賢天皇の死後、平群真鳥（へぐりのまとり）・平群鮪（しび）父子を征討し、武烈天皇を即位させて自らは大連（おおむらじ）の地位についた。