The Case Book of Arne vs The Holy Grail of Eris
The Holy Grail of Eris has the higher audience score (7.7/10 against 7/10 for The Case Book of Arne). Both are animation, mystery shows, so they suit a similar mood.
The Case Book of Arne
The Holy Grail of Eris| The Case Book of Arne | The Holy Grail of Eris | |
|---|---|---|
| Audience score | ★ 7.0/10 | ★ 7.7/10 |
| Year | 2026 | 2026 |
| Seasons | 1 | 1 |
| Genres | Animation, Mystery | Animation, Mystery |
| Country | – | – |
| Creator / director | – | – |
| Main cast | Yoko Hikasa, Koki Uchiyama, Mariya Ise, Yuuki Shin, Yuka Nukui | Maaya Uchida, Jun Fukuyama, Natsuki Hanae, Kana Ichinose, Mao Ichimichi |
Synopsis
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…
The Holy Grail of Eris
Betrayed by her fiancé's lover and sentenced to public execution, Constance Grail, a plain viscount's daughter known for her honesty, faces death—until a mysterious voice offers salvation. Scarlett Castiel, a noblewoman long thought dead, may be her only hope. Together, these unlikely allies uncover a dark conspiracy lurking in the heart of high society, where betrayal, secrets, and power collide.
Where to watch
Where to watch The Case Book of ArneWhere to watch The Holy Grail of Eris
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