Watanuki and Yūko pay a visit to a client who desires to abandon her addiction to computers.
Genre: Horror
The Fang Knows It
A schoolgirl is found dead by a fellow student. He notices two teeth marks on her neck and sees another girl fleeing the scene. He convinces himself that the killer is obviously a vampire and the girl who ran away surly must be the killer. To his surprise, the girl (Miyu) turns out to be his new classmate…
Word-Chain Game
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.
Divination
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.