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 7
  • First Air Date: 2026-01-07
  • Last Air Date: 2026-01-28
  • Total Seasons: 1
  • Total Episodes: 12
  • Network: Nippon TV

Where to Watch The Case Book of Arne Online

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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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