The official website of the Arne no Jikenbo (The Case Book of Arne) television anime revealed the main cast, additional staff, theme songs, first promo, and a main visual (pictured) on Sunday. The anime adapting Harumurasaki's mystery vampire game is scheduled to premiere on January 7, 2026 at 1:29 a.m. on Nippon Television, followed by BS Nippon Television, and AT-X.

Cast
Lynn Reinweiß: Yuka Nukui (Sugar Apple Fairy Tale)
Arne Neuntöte: Kouki Uchiyama (Zetsuen no Tempest), Aimi Tanaka (Saiki Kusuo no Ψ-nan)
Louis Hartmann: Mariya Ise (Made in Abyss)

Staff
Script: Aya Matsui (Dragon Ball Z), Akira Nishikubo (Yozakura-san Chi no Daisakusen), Hitomi Ogawa (Visual Prison)
Sub-character Design: Yuri Miyoshi (Slime Taoshite 300-nen, Shiranai Uchi ni Level Max ni Nattemashita special effects)
Art Director, Background Art: Tetsuhiro Shimizu (Lupin Zero)
Color Design: Natsumi Hirama (Itai no wa Iya nanode Bougyoryoku ni Kyokufuri Shitai to Omoimasu.)
Prop Design: Shouko Naoki (Sekai Saikou no Ansatsusha, Isekai Kizoku ni Tensei suru animation director)
3D Director: Yuki Kuribayashi (Kaguya-sama wa Kokurasetai? Tensai-tachi no Renai Zunousen)
2DCG Design: Yuuko Shintani (Nakanohito Genome [Jikkyouchuu]), Susumu Kashiwabara (Rakudai Kishi no Cavalry)
Director of Photography: Sayumi Yamada (Actors: Songs Connection)
Editing: Katsuhiro Kimura (Sasaki to Pii-chan)
Sound Director: Kouhei Yoshida (Dungeon Meshi)
Sound Effects: Takuya Hasegawa (Great Pretender)

Singer-songwriter Sou (Dead Mount Death Play) is performing the opening theme "Q.E.D." and Watashi Kobayashi (Ragna Crimson) is performing the ending theme "Ningyou no Machi."

Keisuke Inoue (Otome Game no Hametsu Flag shika Nai Akuyaku Reijou ni Tensei shiteshimatta...) is helming the anime at SILVER LINK. Inoue and Murasaki are handling the series composition. Akiko Satou (Trigun Stampede) is designing the characters and Yoshiaki Fujisawa (Spy Kyoushitsu) is composing the music.

Harumurasaki created the game on RPG Maker and released it on the Vaka Game Magazine Website free of charge in November 2017. Arne no Jikenbo was released on Steam in October 2020 in Japanese, Chinese, and English.

Soraho Ina drew a manga adaptation in Comic Gene from November 2018 to March 2022. Media Factory published the fourth and final volume in March 2022.

PV 1


Source: Comic Natalie