Well, in short, the mother looks like she's 14, and the kid is openly in love with her—loli x motha-con. His teacher, too, is in love with her mother, and so the love rivals duke it out in classroom, as well as plotting the downfall of their common enemy, his father. The father has a secretary who is in love with him. But once she discovered that he has such a young wife she turned her attention to his son, who is now torn between his own mother and a naive, motorbike riding girlfriend. (Source: users.skynet.be/mangaguide)

For the appropriate price, your dearest wish can be granted at the shop of the peculiar Yuuko. Kimihiro Watanuki wishes to be rid of his ability to see spirits, and so as payment, he works for Yuuko doing whatever she needs him to do, from cleaning to errands to even helping out Yuuko's other clients. In xxxHOLiC Shunmuki, Watanuki and his friend and rival Shizuka Doumeki enjoy a meal with their friend Kohane Tsuyuri and her grandmother, reminiscing about how they have changed since meeting each other. Later on, Watanuki has a dream in which he is visited by Doumeki's grandfather Haruka, who needs him to find some things in the family temple storeroom. Accompanied by Doumeki, he finds that this task is more akin to a treasure hunt, with each item leading them to another, and another, guiding them to an unexpected yet inevitable ending.

Kimihiro Watanuki can see spirits and other assorted supernatural creatures, which is quite a bothersome ability he strongly dislikes. On the way home one day, while plagued by some spirits, he is inexplicably compelled to enter a strange house. There, he encounters Yuuko, a mysterious woman who claims to be able to rid him of the ability to see and attract the troublesome creatures—for a price. She demands that he work at her store that grants wishes to people, and thus begins Watanuki's adventures through weird and wonderful events.

The great detective Akutabe has an assistant, Rinko Sakuma, who is trying to learn to summon demons. This is the story of her misadventure when she actually manages to summon 2 demons unexpectedly. (Source: ANN)