Nightmare Detective
2006 film by Shinya Tsukamoto

Nightmare Detective (悪夢探偵, Akumu Tantei) is a 2006 Japanese horror film directed by Shinya Tsukamoto and released by Movie-Eye Entertainment Inc, starring Ryuhei Matsuda and Hitomi. Masanobu Andō and Ren Osugi play supporting roles, and Tsukamoto himself plays the unnamed villain. The film is shot entirely within Adachi, Tokyo.
Nightmare Detective 2 was released in 2008. Matsuda returns in the lead role of Kagenuma. Hitomi declined to reprise her role.
Plot
The film opens with a middle-aged man drinking beer, when a young man Kyoichi Kagenuma (Ryuhei Matsuda) appears from under the floor, and it is revealed that the older man, Mitake, is a former teacher of Kagenuma's father. Kagenuma is being haunted by the soul of a daughter whom his wife had aborted without his knowledge. Mitake refuses to help him.
Kagenuma wakes up in hospital next to the body of Mitake, and surrounded by Mitake's children.
The public source identifies “Nightmare Detective” as 2006 film by Shinya Tsukamoto. This brief keeps that definition visible, then builds a research path around Nightmare, Detective and film.
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Object files, edition statements, performance records and contemporary criticism preserve different stages of the work’s history. The source revision retrieved here is dated Jun 28, 2026. The linked authority identifier is Q1538289. 2 of 2 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank. The first chronological checks are 2006 and 2008.
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This entry incorporates text from “Nightmare Detective” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.