Prince Dirk, who was about to be chased by the crown prince because of his stupidity, succeeded in a coup d’etat with the help of the demons, killing his father and becoming the king himself. And he succeeds in capturing Princess Leila as a hostage, the hostile princess knight of Ikki Tousen, and her sister Lilia.
Then the demons demand “energy” in return for cooperation. “Energy” is the source of the demon power that can be obtained when the noble soul falls by the demon spell. Therefore, with the help of Kiriko, the demon woman of his staff, Dirk begins a harsh training involving Leila in order to corrupt the soul of Lilia, who was a flower of Takamine until now … !!
