Living alone after his parents passed away, Kimihiro Watanuki is a high school student who can see otherworldly creatures that are attracted to him. His days are plagued by these nuisances, and he wishes to rid himself of this inconvenience. One fateful day, as Kimihiro is being chased by a horde of spirits, his feet bring him into a mysterious store to seek shelter. Here he meets Yuuko Ichihara, the mistress of this supposed store, who claims to be able to grant wishes. Yuuko offers to grant Kimihiro's, as long as he pays an appropriate price. Thus begins Kimihiro's time working in her store to earn the payment necessary for his wish. In Yuuko's employ, he must become further involved with spirits and the supernatural before he can leave that world behind. How will he fare in the inexplicable encounters that await him? [Written by MAL Rewrite]

xxxHOLiC was published in English by Del Rey Manga from April 27, 2004, to February 21, 2012. Kodansha Comics USA republished the series in omnibus volumes from March 18, 2014, to September 8, 2015, with the final two volumes being 2-in-1 while the rest being 3-in-1. It was also published in Spain by Norma Editorial from July 2004 to October 2011; in Brazilian Portuguese by Editora JBC in 38 volumes from March 2006 to October 2011; and in Mexico by Editorial Kamite from October 27, 2018, to April 19, 2024. The series was adapted into a Japanese live-action TV series that aired from February 24, 2013, to April 14, 2013. It was also adapted into a Japanese live-action movie that premiered on April 29, 2022.