20-year-old virgin Nishizuru Yatsuki has alwaysconsidered himself a fairly normal guy-he's a high school graduate, works apart-time job, and hangs out at a maid cafe. He does have one very specialability: he can see yokai spirits! Usually he copes with these ghostly visionsby ignoring them-but everything changes when he meets a beautiful young womannamed Rokka. Now Yatsuki's normal days have taken a notably abnormal turn, as hefinds himself the sole defender of a growing harem of supernatural-and supersexy-yokai girls!.