Taking "Devil Lovers" as the background, Shu Umaki is the male protagonist, and the female protagonist is forcibly kissed by her childhood sweetheart, but they are in pain because they know that they cannot be together. During the inner struggle, they fall asleep in confusion, and when they wake up, they are in the second dimension! He also met his destiny! However, life in the second dimension is full of difficulties. How a human being can survive in a house of a group of vampires has become a big problem...