Yoshimura, a space janitor who has spent 10 years collecting space debris is urged to retire by his boss, due to advances in AI technology. His replacement is a young pilot named Umi. While Umi takes her training seriously, Yoshimura remains unmotivated. However, the two soon find themselves facing a critical emergency.

Mario, who lives in a tropical rainforest, works as a tour guide, spending his days leading tourists through the forest. However, the forest has gradually changed since he was a child. Then one day, he stumbles upon an illegal gold mining site…

Ame attends music school, pursuing her dream of becoming a professional pianist. While she works at a construction site to pay for her tuition, her secret joy is playing a public piano on the street corner. One day, her piano skills are noticed, and she is invited to participate in an AI demonstration experiment…

In a world plagued by division, conflict, and worsening global warming, a young diplomat, Toshi, returns home after successfully brokering a peace negotiation. But his moment of relief is short-lived, as news of the negotiation's collapse plunges him into despair. Exhausted and wandering the streets aimlessly, he is unexpectedly saved by an unremarkable, middle-aged man.

In a frozen post-apocalyptic world, Airu travels with her companion Pochimaru. Their mission is to travel the world making flowers bloom using the "magic sand" left behind by her mother, a botanist. Deep in a mountain of dead trees, they meet Izumif, a boy who says he's from the distant future...