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?

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 reminisces about his childhood, when he was saved by a boy who became a precious friend of his.

A girl claiming her house is filled with scary and strange noises seeks Yūko's aid.

Watanuki learns that Doumeki and Himawari became Yūko's clients in order to save his life and hears from Himawari the truth about her.

Watanuki and Dōmeki enjoy meal and drinks with the fortune teller, where Kohane is staying. There, it's explained that everyone changes with every meeting they experience with others, and that all four there, and even Yūko, have changed from meeting Watanuki. Later on, Haruka and Watanuki meet in a dream, in which Haruka asks Watanuki to look for something in the temple's storeroom. However, as they look around, they might step into the realm within the books by accident... Also, Watanuki acts like he appreciates Dōmeki for once.

Yuuko's time flow finally starts moving again, after being alive for an unknown amount of years she must depart now since she can't be held by the world of the living any longer. During her final moments she faces Watanuki, her loyal servant and friend and makes her final wish, "stay alive". So Watanuki made the promise to remain in the store of the wishes until they meet again. Many years later he still keeps that promise giving hope but also taking important belongings from those who ever come to him to make a wish.