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.

With Densuke back, the Mojos drop him off with Isako. After freeing him from the illegal, Isako makes an enormous mistake in trying to unlock the virtual being.

The Hackers' Club goes on a metabug expedition over the fringes of surrounding cyberspace lead by Isako.

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

Yasako finds a race of microscopic illegals growing on their faces that are on the brink of destruction. Can Yasako figure out a way to save them?

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

Haraken barely makes it back through Isako's gateway. Tamako, fearing for his life, takes his glasses away. Meanwhile, trouble begins as a space appears behind Megabaa's shop.

With Kyoko on the "other side", Fumie and Yasako get help from Densuke to help guide Kyoko's denno body back to her real one.

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

Megamass is doing research on the "other side" and the effects of the den-noh coil. Isako finds herself drawn into it.

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?