When Yasako and Kyoko's virtual pet dog, Densuke, goes missing, Yasako procures the assistance of a detective.

Yasako and Fumie ask Yasako's grandmother to cure Densuke of his potentially fatal illness. In return, Yasako must agree to an interesting, and dangerous, bargain.

A battle breaks out at school! During the commotion, Fumie steals a mysterious piece of data from Amasawa.

Yasako and Fumie begin an investigation into Haraken and Searchmaton. Under pressure, Haraken reveals something huge to Yasako and Fumie.

Isako hatches a risky plan, and Daichi's newly rekindled friendship with Fumie may suffer as a result.

A docile illegal follows the kids on a hazardous journey through the city, driven to find more of its kind.

Yasako searches for the place she met 4423. Afterward, she deduces that the place was a virtual space that was deleted.

Haraken uses Kanna's glasses to sneak to the "other side." Yasako also enters with the help is Isako and Tamako.

For various reasons, Nekome wants to join her brother on the other side, and the only way is to somehow convince Densuke to help.

Yasako comes face to face with the true nature of the Coil Domain and Michiko. Even with the support of her friends, can she save Isako?