All the medieval characters of this period (the 10th century) such as grandfather, grandmother, princess, lords, nobles, craftsmen, merchants, emperors and samurai were already present in this tale.
おじいさん、おばあさん、姫、公卿・皇族、職人、商人、天皇、武士と「中世的キャラクター」がこの時代（10世紀）に既に出揃っている。