It was revealed by CLAMP that the xxxHOLiC manga already has 14 million copies in circulation. According to information, the work was released in Young Magazine and Bessatsu Shōnen Magazine from 2003 to 2011.
Synopsis:
Watanuki Kimihiro , is a young student who has the gift of seeing and attracting ghosts and spirits (ayakashi). One day, when he is attacked by an ayakashi, he ends up entering a store. The owner of the place is Ichihara Yuuko, a woman who says that the fact that he entered there was no coincidence.
Furthermore, the work changed its name in 2009 to xxxHOLiC: Rō . Subsequently, the publication returned to Weekly Young Magazine in 2013 where it was launched until 2017, the year in which it went on indefinite hiatus. To date, there are a total of 23 volumes guaranteeing a continuation.
Finally, xxxHOLIC won two anime adaptations produced by Production IG .