The snowy, ice-covered planet Coldfoot is home to a precious energy-rich ore called “sig.” On the surface, the planet seems to be a crime-free utopia, but in reality prisoners are used for back-breaking sig mining. Jim, a young prison guard, rushes to the site of a sudden mining accident to find a mysterious creature attacking the humans.

• Masaomi Yamahashi
• Ayahi Takagaki
• Kazuhiro Yamaji
• Akio Otsuka
• Tomoko Shiota
• Atsuko Tanaka
• Yohei Tadano
• Mitsuru Shiraishi