If you hear the story of Kashima, she appears to ask you 3 questions. Get them wrong and she takes a part of your body and kills you. After hearing the tale, it's Ryoko's turn. She needs to find correct answers in order to free herself from the Curse of Kashima.
Among the ruins of the city, there is a game only children can play. It is called “Otokoyo”; a game of hide-and-seek. But whenever children play this game, one by one they would disappear into the blinds of the buildings… The story begins when a boy enters the world of Otokoyo, to find his missing sister.
A long, long time ago, both science and magic existed in the human world. But God became afraid of the Human's unlimited potential, so he divided the world into two and sealed them apart. One world of magic and one world of science. Souta Suzukaze is a normal boy except that he has the Key in his body to break the Seal. The evil witch Cendrillon want that power and tries to take it. Akazukin and Val, a silver wolf, came from the magic-world to prevent her from that. A grand story of a boy who will lead a checkered life and girls in fairly lands has just begun.