In a future where space exploration and anti-gravity basketball are the norm, Earth's colonies thrive as the new homes for humanity. During a school trip gone awry, Luna, a new student, and her diverse group of classmates find themselves stranded on a mysterious planet after a gravity mishap. Led by Luna, alongside her pet robot Chako, the group must navigate this uncharted territory, facing unknown dangers and questioning if they are truly alone on this enigmatic world.