As the prince dreamed of cherry blossoms in full glory on one winter day and asked Hinoo no Kakujo, a high-ranking disciple of an En no gyoja (semi-legendary holy man noted for his practice of mountain asceticism during the second half of the seventh century) for its meaning, Hinoo no Kakujo answered, 'Cherry blossoms are said to be the king of flowers and the dream is a good omen of your accession to the throne in the near future.'
ある冬の日に桜が咲き誇っている夢を見た皇子が役行者の高弟・日雄角乗（ひのおのかくじょう）に訊ねたところ、「桜の花は花の王と云われ，近々皇位に着くよい知らせです」と答えた。