In a deep, remote forest, a blond-haired girl runs amidst heavy rain and wind. Some pursue her, while others extend a hand to help her. As various motives tangle together, the girl, named Sana, makes her flight to the outside world for the first time in her life. In the end, Sana arrives at the bustling district of Kabukicho in Tokyo's Shinjuku Ward. In a convenience store there, she meets Kashimura Zoroku, the quintessential "stubborn old man."

A collision with a "Dream of Alice" power has left Sana and Hatori trapped in the deepest part of Wonderland. They wander all over this world so unlike their own, but there's no sign of an exit anywhere. Meanwhile. after learning what's happened to Sana, Zoroku and Sanae head to Wonderland with Ichijo. They can't help gazing with wonder at their first sight of Wonderland, the place where Sana was born. But they've barely begun the search before Ichijo...

Ten days have passed in the outside world since Sana and Hatori got trapped in Wonderland. Ayumu, remembering a promise they once made, begins to worry that Hatori won't ever come back. As he and Sanae search, Zoroku looks back on on all the things that have happened since they met Sana. Meanwhile, Sana and Hatori finally find an exit out of Wonderland, but it has already begun expanding at an accelerated rate, to the point that it's affecting the outside world...