Watanuki Kimihiro is haunted by visions. When he's drawn into a shop owned by a witch, he gets the chance to dispel the spirits that haunt him. But he's tricked into paying off the cost of the service! The shop owner, Yuuko, explains that a person must have the strength of will not only to understand his or her needs, but to give up something incredibly precious in return. But what Yuuko and Watanuki don't know is that they're about to have some visitors named Sakura and Syaoran from a land called Clow! Crosses over with CLAMP's other hit series,Tsubasa!