As the day of the coronation to be heir to the throne was arriving, Prince Hasebe Nobutsura, the oldest son of Emperor Tsuchimikado and his consort, Imperial Princess Kanshi galloped on his horse throught the forest with some of his soldiers, servants and nurses beside him.

As Hasebe reached to the end of the forest, Hasebe sees something in the distance that shocked him and the people beside the Prince.