In a world where magic is believed to no longer exist, Leah secretly wishes she was different, that she was someone other than the king's daughter. Her wish is unexpectedly granted when the Demon Lord gifts her with magic to be his instrument of revenge against his half-mortal son. With the lives of her beloved family under threat, Leah has no choice but to do the demon's bidding. Aware of his dark taint on her, aware of the fear of her people, Leah fights to remain true to herself.