Eliana, the daughter of the Marquess, witnesses her fiancé, Prince Edward, and her half-sister, Phyllis, hugging each other! The shock reminds her of her past life, and she realizes that she is a villainess. In order to avoid her bad ending, she broke off her engagement and decided to become a magician. There she meets Zeon, a royal magician, and becomes his apprentice. However, Zeon has a secret identity that hides his identity even though he has the right to succeed to the throne, and pursues the enemy who killed his parents. Her former fiancé and her half-sister get in the way of the two who are gradually attracted to each other. An unexpected person awaits them after overcoming the ordeal...!