Every night while sleeping, Valerie is given a warm kiss that makes her dreams come true. she dreams of a dark-eyed man kissing her with a fresh citrus scent When she woke up, her lips were moist, as if she had just kissed. Valerie didn't think so at first, but when she lost her job and couldn't afford the rent, she made the decision to move back to the village and to the house her grandmother left behind. an antique house, Several hundred years earlier, under the reign of the kingdom of Xavier, the mansion had been built. Her visit to the Mansion opens a new chapter in an old tale where she is a holy descendant who is about to marry a demon lord. when Valerie's family performed a ceremony a hundred years ago to become rich, they made a promise that the hundredth child would marry the demon lord and save their family from death. Then what about Valerie? in exchange for a lifetime of happiness for Dimitri's family, she is required to marry the devil and spend the entire night making out with him. Will Valerie refuse the marriage? may she heed King Xavier's instructions and release the souls of her family members.