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On an isolated icy planet promising a bright future, prisoners are forced to excavate a rare energy source that leads to a deadly, unwelcome discovery.

  1. Yasuo Ohtagaki


Series Cast

  1. Masaomi Yamahashi as James 'Jim' Mirror (voice)

    Masaomi Yamahashi

    James 'Jim' Mirror (voice)

    8 Episodes

  2. Ayahi Takagaki as Marnie (voice)

    Ayahi Takagaki

    Marnie (voice)

    8 Episodes

  3. Kazuhiro Yamaji as Walter Hyams (voice)

    Kazuhiro Yamaji

    Walter Hyams (voice)

    8 Episodes

  4. Akio Otsuka as Commander Bark (voice)

    Akio Otsuka

    Commander Bark (voice)

    8 Episodes

  5. Tomoko Shiota as Dr. Hadson (voice)

    Tomoko Shiota

    Dr. Hadson (voice)

    8 Episodes

  6. Atsuko Tanaka as Cathy Beck (voice)

    Atsuko Tanaka

    Cathy Beck (voice)

    8 Episodes

  7. Yohei Tadano as Ed (voice)

    Yohei Tadano

    Ed (voice)

    8 Episodes

  8. Mitsuru Shiraishi

    Robert Howard (voice)

    8 Episodes

  9. Kousuke Goto as Prof. William Boyd (voice)

    Kousuke Goto

    Prof. William Boyd (voice)

    8 Episodes

  10. View More

Full Cast & Crew

Last Season

Season 1


2023 • 8 Episodes

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.

Episode 8

(1x8, February 2, 2023)

View All Seasons



Status Ended


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Type Scripted

Original Language Japanese


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