[DeepL Translation - needs review] Volume 1 Introduction: Children live in a world surrounded by beautiful walls. One day, a young boy, Tokio, receives a message that says, "Would you like to go outside out there?" and receives a message saying, "Do you want to go outside? Meanwhile, outside, Maru and Onee-chan are living a life of survival, traveling through a world that has become a magical land in search of heaven. Ane strolls through future Japan. The latest work by the super-talented Ma...
