The
production team of the anime adaptation of The Case Book of Arne (Arne
no Jiken-bo), based on the mystery game developed by Game Magazine,
revealed a new promotional video that confirms its premiere for him January
6, 2026. The trailer also featured the main cast and artists in charge of
the musical themes.
The opening
theme is titled “QED” and it will be performed by the
singer Sou, while the closing topic, “Ningyō no Machi” (“City
of Dolls”), will be in charge of the singer-songwriter Watashi
Kobayashi. The composer Takeaki Wada, responsible for the
original theme of the game, participated in the arrangement of the final song.
Production
team
The
direction will be in charge of Keisuke Inoue (Ao-chan wa
Benkyou ga Dekinai, Otome Game no Hametsu Flag, Level 1
Maou to One Room Yuusha), who also co-writes the script with Murasaki,
responsible for the setting and production of the original game.
Akiko
Satō (Trigun
Stampede, A Condition Called Love) serves as character designer
and lead animation director, while music is provided by Yoshiaki
Fujisawa. The animation will be produced by the studio SILVER LINK.
About
the game
The Case Book of Arne it was developed by the team Harumurasaki and launched through the portal Game Magazine in november 2017. The title combines elements of mystery, fantasy and drama, focused on the relationship between a young human girl and a vampire who investigate supernatural cases in a fictional city.