01/07/2026 - 03/25/2026 Finished
The Case Book of Arne (Arne no Jikenbo)
Also known as: アルネの事件簿
Arne Neuntöte is a vampire detective who manipulates supernatural powers. Lynn Reinweiß is a nobleman's daughter who loves vampires. Their worlds should never have crossed, but they join hands to solve a bloody mystery. In the darkest of nights, Lynn finds herself in desperate need of help. Then she wanders into the mysterious city of "Lügenberg," where non-humans live. Lynn's world changes drastically when she encounters "Arne," a vampire who is called "the worst" in the city. And tonight, a new "murder case" has occurred. What is the truth behind the bizarre incidents that take place in a world where humanity and the bizarre intersect? "Come on, human. You may dance merrily under the crimson moon." (Source: Steam, edited)
12
Total episodes
12
Canon episodes
0
Filler episodes
0%
% Filler
Canon episodes · 12 Filler episodes · 0
Watch on: Crunchyroll
Related works
Related works and sequels
Standalone work
No sequel, prequel, or registered spin-off is linked to Arne no Jikenbo. Its episode total belongs to this title alone.
What to watch, what to skip
Watch order: filler vs canon
Arne no Jikenbo has no filler episodes: all 12 episodes are canon. You can watch it from first to last without checking any list of skippable episodes.
Episode by episode
Complete guide by season
12 Episodes
| # | Episodes | Aired | Type |
|---|---|---|---|
| 1 | Those Who Dig Pits for Others Will Fall in Themselves01/07/2026 | 01/07/2026 | Canon |
| 2 | There Is Always Sunshine after the Rain01/14/2026 | 01/14/2026 | Canon |
| 3 | Misfortune Never Visits Alone01/21/2026 | 01/21/2026 | Canon |
| 4 | Those Who Never Gamble Never Win01/28/2026 | 01/28/2026 | Canon |
| 5 | One Swallow Does Not a Summer Make!02/04/2026 | 02/04/2026 | Canon |
| 6 | Time Will Tell02/11/2026 | 02/11/2026 | Canon |
| 7 | Eating Whets The Appetite02/18/2026 | 02/18/2026 | Canon |
| 8 | Desire and Love Make All Burdens Lighter02/25/2026 | 02/25/2026 | Canon |
| 9 | Not All That Glitters Is Gold03/04/2026 | 03/04/2026 | Canon |
| 10 | Different Countries, Different Customs03/11/2026 | 03/11/2026 | Canon |
| 11 | Birds of a Feather Flock Together03/18/2026 | 03/18/2026 | Canon |
| 12 | All's Well That Ends Well03/25/2026 | 03/25/2026 | Canon |
Verified legal platforms
Where to watch The Case Book of Arne
All the platforms where you can watch The Case Book of Arne legally, with direct links to each service.
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Common questions
Frequently asked questions
How many seasons does Arne no Jikenbo have?
Arne no Jikenbo has a total of 1 season. The series is completed. Each season is divided into multiple episodes with stories that advance the main plot of the anime.
How many episodes does Arne no Jikenbo have?
In total, Arne no Jikenbo has 12 episodes in its only season. You can consult the complete episodes table to see the breakdown by season.
What is the best order to watch Arne no Jikenbo?
It is recommended to watch Arne no Jikenbo in chronological broadcast order. This means starting from season 1 and continuing sequentially to the last season. Check our watch order guide which includes information about filler vs canon episodes for an optimal experience.
Where can I watch Arne no Jikenbo online?
Arne no Jikenbo is available on the following streaming platforms: Crunchyroll. Check the platforms section at the top of this page to access where you can watch the anime. Please note that availability may vary depending on your geographic region.
Watch on: Crunchyroll
Is Arne no Jikenbo a complete anime?
Yes, Arne no Jikenbo is a completed anime. All seasons have already aired and you can enjoy the series in its entirety without waiting for new episodes.
Where can I see Arne no Jikenbo's score and reviews on MyAnimeList?
You can check the score, reviews, characters and statistics for Arne no Jikenbo directly on MyAnimeList, the world's largest anime database. There you'll find the community rating, global ranking and opinions from other fans.