Nagisa Dojoji, who entered a prestigious school to become a first-class violinist, is a young lady of a large company that everyone recognizes.
She was supposed to be well behaved, talented, and admired by everyone, but in reality, she is a self-indulgent girl who loves junk food and has no self-supporting skills!
She was enjoying the life of her dreams when a vampire suddenly appeared in front of her.

The vampire, who calls himself “Rudy,” offers to become Nagisai's “housekeeper” for the sake of her special blood, “Mawaku no Mitsu,” which flows through her veins.

This is a high-tension cohabitation romantic comedy that will keep you in a dizzying daze!