Netflix first announced the sci-fi anime as a film in 2021, but the company now states the anime is a series. Netflix announced that Atsuko Tanaka will star in the series as Cathy Beck.
Jim, a young prison guard, rushes to the site of a sudden mining accident to find a mysterious creature attacking the humans.
On the surface, the planet seems to be a crime-free utopia, but in reality prisoners are used for back-breaking Sig mining.
Makoto Honda is directing the film, and Taiwanese 3D CG studio 5 Inc. is animating and providing character designs.