The official website for the upcoming TV anime adaptation of the mystery adventure game The case Book of Arne ("Arne no Jikenbo" in Japan) released a teaser trailer announcing its premiere in January 2026. The Case Book of Arne Teaser Trailer Along with the main characters shown in silhouette, this clip also revealed the following main staff members: Original Work : Harumurasaki "Arne no Jikenbo" (Game Magazine) Original Character Designs : Harutaro Director: Keisuke Inoue ( My Next Life as a Villainess: All Routes Lead to Doom! ) Series Composition: Murasaki, Keisuke Inoue Character Design, Chief Animation Director : Akiko Sato Music: Yoshiaki Fujisawa Animation Production: SILVER LINK. RELATED: The Case Book of Arne TV Anime Announced The game was originally published by Game Magazine in 2017. Since 2018, KADOKAWA has published a manga adaptation of The Case Book of Arne with artwork by Soraho Ina in their Monthly Comic Gene shojo manga magazine. An English language version of the game is also available on Steam. The story is described as follows: 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" anime official website
