The Case Book of Arne (2026)
Synopsis
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…
First Air Date: 2026-01-07
Last Air Date: 2026-03-25
Number of Seasons: 1
Number of Episodes: 12
Networks: Nippon TV
Top Cast
- Mariya Ise as Louis Hartmann (voice)
- Koki Uchiyama as Arne Neuntöte (voice)
- Aimi Tanaka as Young Arne Neuntöte (voice)
- Yuka Nukui as Lynn Reinweiß (voice)
- Yuki Sakakihara as Zisye (voice)
- Yuuki Shin as Nachzehrer (voice)
- Yoko Hikasa as Amy (voice)
Seasons
Season 1 (2026)
No overview available for this season.
Episodes:
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Ep. 1: Those Who Dig Pits for Others Will Fall In Themselves
Louis Hartmann joins forces with the members of the Arne Detective Agency to investigate his father's murder.
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Ep. 2: There Is Always Sunshine After the Rain
Lynn remembers the time she first met Arne and hired him to help investigate her father's suspicious behavior.
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Ep. 3: Misfortune Never Visits Alone
Arne makes a shocking discovery about Lynn's father and Gordon reveals the dark truth of the Reinweiß mansion.
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Ep. 4: Those Who Never Gamble Never Win
Lynn and Arne are both troubled by surprise encounters that threaten to alter the course of the investigation.
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Ep. 5: One Swallow Does Not a Summer Make!
Lynn and Arne assemble the servants to review the clues and sniff out the killers through deductive reasoning.
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Ep. 6: Time Will Tell
A distraught mermaid arrives at the detective agency searching for the reason why her lover tried to kill her.
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Ep. 7: Eating Whets the Appetite
Arne tracks down a jewel thief while Lynn investigates a series of disappearances connected to an art museum.
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Ep. 8: Desire and Love Make All Burdens Lighter
Lynn and Arne trace the mysteries of the missing men and lost piece of jewelry to their shocking conclusions.
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Ep. 9: Not All That Glitters Is Gold
Arne and Lynn are asked to investigate a man who appears to have started cheating on his wife after an injury.
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Ep. 10: Different Countries, Different Customs
Arne decides to investigate a locked-room murder on a whim and soon realizes that it may not be what it seems.
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Ep. 11: Birds of a Feather Flock Together
Arne uncovers a disturbing connection between all five of the cases investigated by the Arne Detective Agency.
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Ep. 12: All's Well That Ends Well
Lynn and friends battle their way through Dracula's soldiers as they race to rescue Arne before it's too late.
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