The Case Book of Arne

The Case Book of Arne (2026)

Animation Mystery

Louis Hartmann loses his father, a private detective investigating a string of murders, leaving him all alone. Rumor has it that the murders are the work of a Grave-Digger Vampire. Louis isn’t keen on superstitions and vows to catch the culprit himself. That is, until a self-proclaimed detective, Arne Neuntöte, and his assistant, Lynn Reinweiß, appear. A new door is about to open for Louis…

star 6.4
  • First Air Date: 2026-01-07
  • Last Air Date: 2026-03-25
  • Total Seasons: 1
  • Total Episodes: 12
  • Network: Nippon TV

Where to Watch The Case Book of Arne Online

You can now watch The Case Book of Arne online on the following streaming providers in the United States.


    • Seasons

    • Season 1

      12 Episodes

    Trailer

    Cast

    • Mariya Ise

      Louis Hartmann (voice)

    • Koki Uchiyama

      Arne Neuntöte (voice)

    • Aimi Tanaka

      Young Arne Neuntöte (voice)

    • Yuka Nukui

      Lynn Reinweiß (voice)

    • Yuki Sakakihara

      Zisye (voice)

    • Yuuki Shin

      Nachzehrer (voice)

    • Yoko Hikasa

      Amy (voice)

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