Supernatural Mystery Unleashed: 'Arne no Jikenbo' Anime Reveals Star-Studded Cast, Key Staff, and January 2026 Premiere!

The television anime adaptation of Arne no Jikenbo, based on the mystery adventure game The Case Book of Arne, is scheduled to debut on January 7, 2026. The series will premiere on Nippon Television at 1:29 a.m. JST, with subsequent airings on BS Nippon Television and AT-X.
Voice Cast Revealed
A confirmed voice cast will bring the characters to life. Yuka Nukui is cast as Lynn Reinweiß, Kouki Uchiyama as the vampire detective Arne Neuntöte, and Mariya Ise as Louis Hartmann. This ensemble is set to deliver performances that will immerse viewers in the anime's world.
Production Team Details
The production team includes Keisuke Inoue, known for his work on My Next Life as a Villainess: All Routes Lead to Doom, as director. Original character designs are attributed to Harutaro, and Yoshiaki Fujisawa will compose the musical score. Studio Silver Link is producing the project.

The Case Book of Arne originated as a mystery adventure game published by Game Magazine in 2017. Its narrative focuses on Arne Neuntöte, a vampire detective who investigates supernatural cases. The series also has a manga adaptation by Soraho Ina, serialized by Kadokawa since 2018. The anime adaptation aims to translate the game's blend of dark fantasy, mystery, and adventure to the screen.
The first promotional video and details regarding the theme songs have also been released, further increasing anticipation for the series.
Credits
Arne no Jikenbo
Author
Harumurasaki
Cover Art
Harutaro
Studio
Silver Link
Publisher
Game Magazine
Producers