Xxxholic Manga

Watanuki Kimihiro is haunted by visions of ghosts and spirits. Seemingly by chance, he encounters a mysterious witch named Yûko, who claims she can help. In desperation, he accepts, but realizes that he's just been tricked into working for Yûko in order to pay off the cost of her services. Soon he's employed in her little shop- a job which turns out to be nothing like his previous work experience!