別冊少年マガジン
Written and illustrated by Clamp, "xxxHolic" has been serialized in Kodansha's journal "Young Magazine" periodically from 2003 until March 2010 before moving to "Bessatsu Shōnen Magazine" in June 2010. A one-shot chapter of "xxxHolic" was also published in "Weekly Shōnen Magazine" in its June 2010 issue featuring a crossover with "Tsubasa: Reservoir Chronicle". It ended serialization on February 9, 2011 in the "Bessatsu Shōnen Magazine". The 213 chapters are collected and released in "tankōbon" format by Kodansha. The numbers of chapters for such release was reduced by combining the ones from the original serialization. Starting volume 16, the series is retitled , but the number of chapters follow the previous ones. The first volume was released on July 25, 2003, and the last volume, the nineteenth, was published on March 9, 2011.