Cause of the Wakoku War was related to description of Seisen in the Kojiki (The Records of Ancient Matters) and it is said that the northern Kyushu power moved to Yamato, where they built Yamato Chotei (the Imperial Court).
倭国大乱の原因については、古事記等の西遷の記述と結びつけ、北部九州勢力が大和へと移動してヤマト朝廷を建てたとする。