The 19th century — a world inhabited by vampires, golems, werewolves and other paranormal creatures. Immortal beauty and disembodied head Rindou Aya, along with half-human-half-demon "Demon Killer" Shin'uchi Tsugaru and her loyal maid Hasei Shizuku, travels through Europe as supernatural detective "The Cage User," solving supernatural mysteries while she searches for her lost body.

Source: Crunchyroll

Note: The first episode received an early screening at a special event on June 23, 2023 at Grand Cinema Sunshine Ikebukuro in Tokyo. The regular TV broadcast started on July 6, 2023.

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