The official website for the television anime adaptation of Harumurasaki's Arne no Jikenbo (The Case Book of Arne) game unveiled six additional cast members and a second promo on Wednesday. The anime series will premiere on January 7, 2026 at 1:29 a.m. on Nippon Television, followed by BS Nippon Television and AT-X.
CastGordon: Hiroshi Naka (Dungeon Meshi)
Diana: Reo Osanai (A-Rank Party wo Ridatsu shita Ore wa, Moto Oshiego-tachi to Meikyuu Shinbu wo Mezasu.)
Eliza: Momoka Terasawa (Make Heroine ga Oosugiru!)
Bernd: Rikuya Yasuda (Beelzebub-jou no Okinimesu mama.)
Heinz: Yuuto Uemura (Koujo Denka no Kateikyoushi)
Kai: Kakeru Hatano (Kaoru Hana wa Rin to Saku)
Keisuke Inoue (Otome Game no Hametsu Flag shika Nai Akuyaku Reijou ni Tensei shiteshimatta...) is directing the anime at SILVER LINK. Inoue is also in charge of series composition alongside Murasaki. Akiko Satou (Trigun Stampede) is serving as the character designer and Yoshiaki Fujisawa (Spy Kyoushitsu) is composing the music.
Harumurasaki created Arne no Jikenbo on RPG Maker and released it on the Vaka Game Magazine Website free of charge in November 2017. The vampire mystery game was released on Steam in Japanese, Chinese, and English in October 2020.
Soraho Ina drew a manga adaptation in Comic Gene from November 2018 to March 2022. Kadokawa published the fourth and final volume in March 2022.
Kou Shinagura will launch a new manga titled Arne no Jikenbo Memory of Blood on the Comic Growl website in January 7, 2026. The new manga will depict a new episode from the anime.
PV 2
Source: animate Times
