Akane is the kind of girl who likes to like horror-related things. Her bedroom is dark and full of scary items, such as haunted dolls from Europe, brutal movie collections, and more. Akane's parents are against such things because they don't want her to grow up weird and friendless. At the age of 19, she met four strong and handsome men, Yuri, Izumi, Hiro, and Kyo. Four of them were given a task to stay at Ms. Tamayo's Mansion for free. And that is, they have to help her niece Akane become a proper lady. Will they be able to do the test given to them ...?