However, according to the history of ancient Japan, Wo, in "The History of the Song Dynasty," the following description was found in a memorial presented to the emperor (the southern dynasty) by the Japanese king Bu in 478.
しかし、5世紀の中国の歴史書『宋書』倭国伝には、478年倭王武が宋(南朝)に提出した上表文の中に以下の記述がある。