Publisher's Synopsis
Kimihiro Watanuki is haunted by spirits - and the only way for him to escape his curse is to become the indentured servant of the mysterious witch Yûko Ichihara. But when Kimihiro's beloved, beautiful Himawari-chan, asks him for a favour, he and his eternal rival, the exorcist Dômeki, must go on a spirit-busting adventure without Yûko there to save them!
Meanwhile, Yûko gives a young woman a precious cylindrical box from her treasure room. There's just one caveat: she must never open it. Inside is a magical device with a terrifying reputation! Can Kimihiro save am ambitious young lady from her own overconfidence?
xxxHOLiCcrosses over with CLAMP's other hit series,Tsubasa: RESERVoir CHRoNiCLE!