The Case Book of Arne

The Case Book of Arne

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…

Where to Watch

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Series 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)

Seasons

Season 1

12 Episodes • 2026