Get ready for the crossover you didn't know you needed: Vampires meet detective work! The TV anime adaptation of the supernatural mystery adventure game, The Case Book of Arne, has locked in its premiere date for January 6, 2026, and released a thrilling new trailer, visual, and cast details!

The story centers on the bizarre partnership between Arne Neuntöte, a vampire detective, and Lynn Reinweiß, the daughter of a noble family who, strangely, loves vampires. Their path crosses in the mysterious city of Lügenberg—a haven for non-humans—where a new murder case demands their attention.

THE IMPORTANT DETAILS

• Premiere Date: January 6, 2026.

• The Studio: Animated by SILVER LINK..

• The Cast is Ready: The lead cast is set to solve the bloody mysteries:

  • Arne Neuntöte (Vampire Detective): Voiced by Kōki Uchiyama (famous for Jujutsu Kaisen and The Eminence in Shadow).

  • Lynn Reinweiß (Vampire Lover): Voiced by Yuka Nukui.

  • Luis Hartman: Voiced by Mariya Ise (Hunter x Hunter, Chainsaw Man).

• The Soundtrack: The opening theme song, "Q.E.D.," is performed by Sou, while the ending theme, "Ningyō no Machi," is performed by Watashi Kobayashi.

• The Hook: "Come on, human. You may dance merrily under the crimson moon.”.

The Case Book of Arne Official Main Trailer