"WATCH OUT FOR WITCHES
Kimihiro Watanuki thought he had signed up with a bunch of weirdoes, and he was right! He became the unfortunate indentured servant of a woman known as Yûko Ichihara, who was widely rumored to be the time-space witch. Now his voyage through the worlds of the occult are off and running, as he and Yûko go visiting fortune tellers and horoscope readers. But can the future really be told?
Meanwhile, the romance is heating up between Kimihiro and cute Himawari-chan. Then fate throws Kimihiro’s old rival back into his life. Now Yûko invites all three to a temple to tell scary stories throughout the night. Is it just for fun or is there some deeper reason?
See the other side of the xxxHOLiC story in Tsubasa volume 2! Don’t miss it!” - Del Rey, xxxHOLIC Volume 2
After introducing themselves, Yuuko explains to Syaoran that Sakuras has lost something precious and that it has been scattered to different worlds. She orders Watanuki to go fetch something in the treasure room. Yuuko, talking through Maru and Moro, explains that the two vistitors come from another dimension and that there are infinite amounts of them. She further talks about how encounters with Clow Reed and how they created the two twin creatures, the Mokona. She points out that every person has different versiosn of themselves in other worlds that share th same soul. After letting the Mokona go (and getting insulted by them), Watanuki returns outside and sees two more people, Kurogane and Fai. The customers of the shop listen as Yuuko tells them about Mokona Modoki and how it will help them travel between worlds.
After the customers leave by the white Mokona, Yuuko demands beer and the black Mokona says it wants some too.