[DeepL Translation - needs review] Volume 1 Introduction: Why? The size of the ground has increased tenfold in this vast world. Here, a hikoki takes the place of a reed. Isaki, a boy who works at a factory, drives the famous Piper Super Cub together with his childhood friend Shiro and his two sisters Kajika, and is living a quiet and healthy life today!
(Translator: DeepL)
