Sakasama no Patema: Another Side

Summary

This is the side story to the film Inverted Patema. A floating ring has been passed down through Mikko's family for generations. Her grandpa told her that the ring bears a promise of reuniting with lost ones who departed to the "other world." Mikko explores her world-an endless network of tunnels-in hopes of finding the "other world" one day... (Source: MU)