In the year 1986, eighteen members of the Ushiromiya family head to Rokken Island where Kinzo, the elderly head of the household, will soon choose one of them as his successor. A portrait of the Golden Witch Beatrice greets them as they arrive at the family mansion, along with a disturbing epitaph: she will be resurrected on the ninth twilight after a number of bloody sacrifices. Unfortunately for the group, the statements come true, and soon the carnage begins. Will anybody walk away from the ominous island, or are their destinies due to be forever ruled by Beatrice?
Kimihiro Watanuki is cursed with the ability to see evil spirits known as Youkai. Due to this power, the Youkai are attracted to him like a magnet, and each time he is close to being devoured. One day, fate drew him to a strange store and there, he met Yuuko, who was dressed in a very exquisite fashion. As destiny would have it, Yuuko has the ability to save Kimihiro from seeing the Youkai, but for a price: Kimihiro must work for Yuuko by performing chores around the store and other odd tasks, until she deems fit. With his "friend" Doumeki, and his secret crush Himawari, they will discover that the world they live in is nowhere close to ordinary!