The Case Book of Arne is a tV series anime that premiered in winter 2026, produced by SILVER LINK..

About the production: the story comes from a video game, there are 12 episodes of about 23 minutes and its current status is "finished".

Its main genres are mystery, with themes such as Detective, Vampire, Shoujo and Tragedy.

On AniList, The Case Book of Arne has an average score of 60%, an average score, and appears on 11,601 users' lists.

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: The Case Book of Arne Steam page)

Official synopsis from AniList.