According to the "Zen Taiheiki," a historical epic story mainly depicting samurai heroes in the Heian Period, he was abandoned by his mother at the age of six, wandered around various places and chose the life of oni.
『前太平記』によればその後、6歳にして母親に捨てられ、各地を流浪して鬼への道を歩んでいったという。