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

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

Following clues left by Haraken's former research partner, Haraken, Fumie, and Yasako search for any new leads.

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.

Desperate to save Isako, Yasako finds a pair of glasses that belonged to her grandfather and uses them to travel to the other side.

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?