The witch Lacey has been under the control of the state since she was a child because of her excessively strong magical power. After defeating the Demon King with the heroes, her only remaining role was to give birth to a child who would inherit her magical powers. However, her fiancé's infidelity was discovered just as their marriage was about to take place. With the help of Wayne, the hero who traveled with her, Lacey's life takes a turn.