CLAMP has revealed that the xxxHOLiC manga already has 14 million copies in circulation. According to reports, the series was published in Young Magazine and Bessatsu Shōnen Magazine from 2003 to 2011.
Synopsis:
Watanuki Kimihiro is a young student with the gift of seeing and attracting ghosts and spirits (ayakashi). One day, after being attacked by an ayakashi, he ends up entering a shop. The owner is Ichihara Yuuko, a woman who claims that his arrival there was no coincidence.
Additionally, the work changed its name in 2009 to xxxHOLiC: Rō . The publication later returned to Weekly Young Magazine in 2013, where it remained in print until 2017, when it went on an indefinite hiatus. To date, it has a total of 23 volumes, with a guaranteed sequel.
Finally, xxxHOLIC gained two anime adaptations produced by Production IG .