I Became the Wife of the Monstrous Crown Prince

The heroine entered the universe of "Lady and the Beast." She finds herself in the body of Ancia, the bride of the Monster Crown Prince Blake, who has been cursed to die at the age of 18 due to this sins of his ancestor. In the novel, Ancia should have committed suicide after looking at the horrible cursed birth marks on Prince Blake's body. But she tries to rewrite a part of the story by instilling confidence in Blake and showering him with unconditional love, just until he is ready to meet his "real" true love, Diana.