In the abandoned amusement park of Granbell Kingdom, Shiki's life is turned upside down when he meets Rebecca and her cat Happy, marking the beginning of a new era of human connection. But this unexpected encounter sets off a chain reaction, as Shiki's former neighbors plot a robot uprising. With danger imminent, Shiki joins Rebecca and Happy on their spaceship, embarking on a journey to escape the chaos and explore the vast cosmos.

A mysterious dream in the bath hints at impending danger, and upon waking, Re...