Occult Detective Series 'The Case Book of Arne' Unlocks January 6 Premiere Date

The anime adaptation of The Case Book of Arne is scheduled to premiere on January 6, 2026. This highly anticipated series will first be broadcast on Nippon TV, with subsequent showings on BS Nippon TV and AT-X.

Originating as a video game from Game Magazine in 2017, The Case Book of Arne transitioned into a serialized manga by Kadokawa in 2018, featuring illustrations by Soraho Ina. The narrative explores supernatural phenomena and occult detective work, combining elements of mystery and adventure within a shōjo manga framework. While primarily aimed at a young female demographic, its compelling atmospheric storytelling is expected to appeal to a broad spectrum of viewers.

Production Details

Renowned animation studio Silver Link is producing this project. Keisuke Inoue, known for his work on My Next Life as a Villainess: All Routes Lead to Doom!, is directing the series and co-composing the series alongside original game writer Murasaki. Akiko Sato is serving as character designer and chief animation director, ensuring the visual aesthetic faithfully embodies the spirit of Harutaro's original character designs. Yoshiaki Fujisawa is composing the soundtrack, which is anticipated to enhance the series' suspenseful and mysterious tone.

Fans eager for a glimpse into this immersive experience can already watch a released teaser trailer, which artfully showcases silhouetted main characters, further building anticipation for the forthcoming adaptation.

The Case Book of Arne stands as a significant highlight in the 2026 anime calendar, embodying a powerful intersection of gaming and manga culture. Its successful evolution from a video game to a manga and now an anime underscores its rich narrative potential and broad cross-media appeal, establishing it as an essential mystery series to experience in the new year.