The official website for the television anime adaptation of Game Magazine’s popular mystery game, The Case Book of Arne (Arne no Jiken-bo), has unveiled a teaser promotional video, confirming key staff members and a January 2026 premiere. This highly anticipated anime brings the supernatural detective story to the screen, building on the success of its game and manga iterations.
Key Staff Members Leading the Adaptation
The production team behind The Case Book of Arne anime features notable names from the industry, promising a faithful and engaging adaptation. Keisuke Inoue, known for his work on Ao-chan Can’t Study! and My Next Life as a Villainess: All Routes Lead to Doom!, is set to direct the anime at SILVER LINK. Inoue will also contribute to the series composition, co-writing the anime with Murasaki, the original scenario writer and producer of the game.
Character Design and Animation Direction
Akiko Satō, whose impressive portfolio includes character design for Trigun Stampede and A Condition Called Love, is handling the character designs for The Case Book of Arne. Satō will also serve as the chief animation director, ensuring the visual consistency and quality of the animation.
Musical Composition
The atmospheric and mysterious tone of The Case Book of Arne will be further enhanced by the musical compositions of Yoshiaki Fujisawa. Fujisawa has previously contributed to various anime, and his involvement suggests a score that will complement the game’s suspenseful narrative.
The Story of Arne Neuntöte and Lynn Reinweiss
The Case Book of Arne centers on the unlikely duo of Arne Neuntöte, a vampire detective who wields supernatural powers, and Lynn Reinweiss, a noblewoman’s daughter with a peculiar fondness for vampires. Their paths intertwine when Lynn finds herself in desperate need of help and stumbles into Lügenberg, a mysterious city inhabited by non-humans. Together, they embark on a journey to solve bloody murder cases, often involving supernatural elements.
Origin of The Case Book of Arne
The The Case Book of Arne franchise originated as an RPG Maker mystery adventure game developed by Harumurasaki (Murasaki). It first launched as freeware on Game Magazine’s website in November 2017 and later became available on Steam. The game’s success led to a manga adaptation illustrated by Soraho Ina, which began serialization in Kadokawa’s Monthly Comic Gene magazine in 2018. The manga has been collected into four compiled book volumes.
Anticipation for the Anime Adaptation
Fans of the original game and manga have expressed excitement for the upcoming anime, eager to see the characters and their intriguing cases brought to life with animation. The announcement of the anime adaptation was made on November 6, which also marked the seventh anniversary of the franchise. With a confirmed January 2026 debut, viewers can look forward to delving into the dark and enigmatic world of The Case Book of Arne early next year.