Waobu described the achievements of his ancestors in the Johyobun and boasted the power of Yamato sovereignty (the ancient Japan sovereignty) as if it was ruling over not only the east country of Japan where Emishi lived but also the countries of South Korea across Tsushima Straits.
倭王武は、祖先の功業の成果として、東国の毛人の国々のみならず、対馬海峡を渡って南朝鮮の国々まで、ヤマト王権の威力が行き渡っているかのように誇らしげにうたいあげている。