The heroine, Komori Yui, has always been an ordinary high school student - excluding the fact that as a child, strange, supernatural things happened to her. However, she has always been able to maintain a positive outlook on life. In her second year of high school, Yui's father, a priest, moves somewhere else due to work. Yui is forced by these events to move to a new town and a night school for the wealthy and famous. Furthermore, the house she must stay in is called "the haunted house" by everyone else, and Yui is suddenly living with six brothers who aren't exactly human ...
Komori Yui seorang pelajar biasa yang selalu bertemu dengan peristiwa ganjil dan luar biasa sejak kecil. Namun dia tetap ceria dan tidak pernah rasa runsing mengenainya. Ayahnya seorang paderi yang sentiasa berpindah randah atas sebab tugas. Kali ini mereka berpindah ke sebuah pekan baru dan Yui akan menghadiri sebuah sekolah khas untuk orang kaya. Dan kononnya rumah yang didiaminya merupakan "rumah berhantu", kini Yui terpaksa hidup bersama enam adik beradik puntianak ...