The Case Book of Arne poster

The Case Book of Arne (2026)

TV Series ★ 6.3

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…

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Quick facts

Released
January 7, 2026
IMDb
tt38798044
Country
Language

Themes

Cast

Mariya Ise Mariya Ise Louis Hartmann (voice) Koki Uchiyama Koki Uchiyama Arne Neuntöte (voice) Aimi Tanaka Aimi Tanaka Young Arne Neuntöte (voice) Yuka Nukui Yuka Nukui Lynn Reinweiß (voice) Yuki Sakakihara Yuki Sakakihara Zisye (voice) Yuuki Shin Yuuki Shin Nachzehrer (voice) Yoko Hikasa Yoko Hikasa Amy (voice)

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Frequently asked questions

What is The Case Book of Arne about?
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…
Who stars in The Case Book of Arne?
The Case Book of Arne stars Mariya Ise, Koki Uchiyama, Aimi Tanaka, Yuka Nukui.
When was The Case Book of Arne released?
The Case Book of Arne is a 2026 animation, mystery series.
Where can I watch The Case Book of Arne?
You can watch The Case Book of Arne with full details, cast, and streaming options on 3eyedraven.