The Case Book of Arne (2026)
A gothic mystery anime following a young man who hunts a Grave-Digger Vampire alongside an eccentric detective.
The Case Book of Arne - Series Information
- Original Title: アルネの事件簿
- First Air Year: 2026
- Last Air Year: 2026
- Type: TV Series
- Genres: Animation, Mystery
- Number of Seasons: 1
- Number of Episodes: 12
- Status: Returning Series
- Original Language: Japanese
- Spoken Languages: Japanese
- First Air Date: January 7, 2026 (Brazil - 14)
- Networks: Nippon TV
- Production Companies: SILVER LINK., Asmik Ace, Nippon Television Network Corporation, King Records, Vaka
- Production Countries: Japan
- Alternative Titles: The Casebook of Arne (US), Arne no Jikenbo (JP)
The Case Book of Arne - Plot
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…
The Case Book of Arne - Trailer
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The Case Book of Arne - Cast & Crew
Main Cast
- Mariya Ise
- Koki Uchiyama
- Aimi Tanaka
- Yuka Nukui
- Yuki Sakakihara
- Yuuki Shin
- Yoko Hikasa
Writers
- Aya Matsui
- Hitomi Ogawa
The Case Book of Arne - FAQs
Where can you stream The Case Book of Arne?
The Case Book of Arne is available to stream on Crunchyroll, including via the Crunchyroll Amazon Channel. Both options offer the series as part of a flat-rate subscription. Check JustWatch for the most up-to-date regional availability and any additional viewing options.
What is The Case Book of Arne about?
The series follows Louis Hartmann, whose father — a private detective — is killed while investigating a series of murders rumored to be the work of a Grave-Digger Vampire. Refusing to believe in superstitions, Louis sets out to find the culprit, only to cross paths with the eccentric detective Arne Neuntöte and his assistant Lynn Reinweiß.
Who voices the main characters in The Case Book of Arne?
The main cast features Mariya Ise as Louis Hartmann, Koki Uchiyama as Arne Neuntöte, Aimi Tanaka as Young Arne Neuntöte, Yuka Nukui as Lynn Reinweiß, Yuki Sakakihara as Zisye, Yuuki Shin as Nachzehrer, and Yoko Hikasa as Amy.
Is The Case Book of Arne based on a manga or light novel?
The Case Book of Arne is adapted from a Japanese manga series. The anime adaptation is produced by SILVER LINK. and began airing in January 2026. The story blends mystery and gothic atmosphere, following a young man drawn into vampire-related investigations in a European-inspired setting.
When did The Case Book of Arne first air?
The Case Book of Arne premiered on January 7, 2026, in Brazil with a content rating of 14. It airs on Nippon TV in Japan and is simulcast internationally via Crunchyroll.
How many episodes does The Case Book of Arne have?
The Case Book of Arne consists of 12 episodes across its first season. The series is currently listed as a returning series with production ongoing as of 2026.
What genre is The Case Book of Arne?
The Case Book of Arne is an animated mystery series. It combines elements of gothic horror and detective fiction within an anime format, following a young protagonist investigating supernatural murders in a European-inspired setting.
Who wrote The Case Book of Arne anime series?
The anime series was written by Aya Matsui and Hitomi Ogawa. The score was composed by Yoshiaki Fujisawa, with Sayumi Yamada serving as cinematographer and Katsuhiro Kimura as editor.
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