Yurisina, the daughter of the demon king, has always wanted to become a full-fledged demon by making her first contract with a human.... more>>

That's when Princess Marianne of the Pedin Kingdom summoned her to take revenge on Queen Orphelius who poisoned her, and asks Yurisina to live in her place... <<less

One day, Rose comes to the Arden family, who are poor countryside nobles.... more>>

Apple decides to become Rose’s maid to assist her, and takes part in the audition full of conspiracies... <<less