Goemul Hwangnyeonim

Princess Arbella Camulita believed she was destined for greatness since she was the empire's most powerful magician. But her hopes are destroyed after a dream reveals that she will become a monster and die due to being jealous of her half-sister, Judith, who will become the heroine and have a happy ending. Determined to prevent this awful end, Arbella decides to get close to Judith instead. Can this princess beat fate and prove that she's not the monster the future says she'll be?

(Source: Tapas)