Eventually, the Emperor took control of the government without having an enthronement ceremony, but then he was severely defeated in the Battle of Hakusukinoe and moved to Otsu City to be enthroned in 663.
その後、長い間皇位に即かず称制したが、663年、白村江の戦いで大敗を喫した後、大津市へ遷都してそこで即位した。