xxxHolic is a Japanese manga series created by CLAMP, which follows the story of Watanuki Kimihiro, a high school student who can see spirits and supernatural beings. To escape his unwanted ability, he encounters Yuko Ichihara, a mysterious witch who offers to help him in exchange for his services. The series blends elements of fantasy, horror, and slice-of-life, exploring themes of fate, desire, and the consequences of one's choices. As Watanuki works in Yuko's shop, he meets various clients with unique problems, each revealing deeper insights into human nature and the supernatural world.