Watanuki Kimihiro, é um jovem estudante que tem o dom de ver e atrair fantasmas e espíritos. Um dia, ao ser atacado por uma ayakashi, acaba entrando em uma loja. A dona do lugar é Ichihara Yuuko, uma mulher que diz que o fato dele ter entrado lá não foi coincidência. Aquela é uma loja onde se realiza desejos, e ele tinha um. Porém para que seja concedido, é necessário pagar um preço equivalente. Watanuki então, deseja não ver mais os espíritos, e para poder pagar o preço, "aceita" a oferta de Yuuko para trabalhar em sua loja. A partir desse momento, sua vida muda completamente, pois Watanuki passa a se envolver nas histórias misteriosas dos clientes de Yuuko, e com ela aprende não só sobre as situações mágicas que o cercam, mas também sobre si mesmo.
Watanuki's life changes completely when he meets Yūko for the first time. Watanuki is given a job at Yūko's shop, paying off his debt. Mokona, Maru and Moro all make their first appearance in this episode.
A client seeks Yūko's aid because she has problems with her right little finger; Yūko tells her that it is happening because of a bad habit of hers. Watanuki learns more about Yūko while becoming the shop's cook. Himawari-chan and Doumeki both make their first appearance in this episode.
Himawari-chan asks for Yūko's help to solve a series of mysterious incidents occurring at the school, involving a game called angel. Yūko meets Himawari-chan, and Watanuki is forced to work with Doumeki. Doumeki begins to learn about his true nature.
Yūko decides to show Watanuki what a real Diviner can do. Watanuki learns more about Yūko's powers, while his past is explained. The important butterfly symbolism found throughout the series is also explained.
Watanuki encounters an uncommon oden shop in the middle of the night, while engaging in a dangerous task with Mokona's aid. Watanuki meets the Fox family and later gives the Young Fox a Haja Arrow. The full moon brings new life to Yūko's shop.
A teacher in Watanuki's school gets her hands into a dangerous item from Yūko's shop, the monkey's paw. The teacher's discovery eventually leads to her downfall and of the monkey's paw choking her.
It's summer and the gang decides to spend some days in a house by the beach. For some reason Doumeki keeps asking Watanuki to call for his help, but he can't figure out why. Unbeknownst to them, there's a ghost lurking inside. When Watanuki discovers this, will he investigate alone?
Watanuki and Doumeki meet a pair of twin sisters and even go to a date with them, but Watanuki can't shake the feeling there is something strange about the older one.
In order to make the Pipe Fox revert to its original form, Yūko sends Watanuki to purify it in a mystical mountain, where he meets the Zashiki-warashi again.
Watanuki meets a beautiful woman and starts to see her every day hoping to soothe her loneliness, but somehow he starts to get sick and can't figure out the reason.
