SeriesEnded

The Case Book of Arne (2026–)

Arne no Jiken-bo

1 season12 episodes23 min per episode★ 5.7 · 102 votes

• Animation
• Fantasy
• 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…

First aired

January 7, 2026

Last episode

March 25, 2026

Network

Nippon TV

Country of origin

Japan