Cattle Muti-LEIKO (2026): Cast, Story and Release Details

Prepared by Movies Dock Editorial

Cattle Muti-LEIKO follows a private detective searching for Leiko after a client warns him about her unusual influence over people who fall in love with her. Blending mystery, science fiction and romance, the Japanese-language film runs for 77 minutes and is directed and written by Kai Yamaguchi.

Cattle Muti-LEIKO is a 2026 Japanese mystery, science-fiction and romance film written and directed by Kai Yamaguchi. Its story centers on a private detective given a seemingly direct assignment: find a woman named Leiko for a client.

The investigation becomes more complicated when the client describes Leiko’s strange effect on people who fall in love with her. That unusual premise places attraction, identity and the search for answers at the center of the film without revealing how the case unfolds.

Cattle Muti-LEIKO movie details

Story without spoilers

The film follows a private detective tasked with locating Leiko. Before he begins, his client warns him that people who fall in love with her may become unable to see anyone else. That condition turns a standard missing-person investigation into a mystery with an unusual emotional and speculative dimension.

Leiko’s influence gives the detective’s assignment an added complication, as the search involves more than simply tracing her whereabouts. The supplied premise keeps the central question open: what makes Leiko so difficult to find, and what happens when affection changes the way people perceive the world around them?

What to expect

Cattle Muti-LEIKO combines a detective premise with science-fiction and romantic elements. Viewers can expect the story to be shaped by the search for Leiko and by the unsettling rule attached to falling in love with her.

At 1 hour and 17 minutes, the film presents its mystery in a compact format. The available information points to a concept-driven story in which investigation and romance are closely connected, while the science-fiction classification signals an unusual element beyond an ordinary private-eye case.

Cast and creative team

Fuu Maeda plays Leiko, the figure at the center of the investigation, while Kai Yamaguchi plays Suzuya and also serves as the film’s director and writer. Mari Yonemura appears as Luna. The cast also includes 髙橋篤弘 as Akiyama, Hiromitsu Kiba as Fujiomoto, Kyohei Shimozuka as Tanaka and Emiko Tagawa as Mina.

• Fuu Maeda as Leiko
• Kai Yamaguchi as Suzuya
• Mari Yonemura as Luna
• 髙橋篤弘 as Akiyama
• Hiromitsu Kiba as Fujiomoto
• Kyohei Shimozuka as Tanaka
• Emiko Tagawa as Mina

Release and production context

Cattle Muti-LEIKO is listed as a 2026 film with a release date of August 15, 2026. It has a runtime of 1 hour and 17 minutes and is presented in Japanese. The production companies are dannysfilm and Spotted Productions. The film is listed as released in the supplied metadata.

Production companies: dannysfilm, Spotted Productions

Cattle Muti-LEIKO official trailer

Watch the official trailer on YouTube

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With its private-detective setup and distinctive premise about the effects of falling in love with Leiko, Cattle Muti-LEIKO occupies an unusual space between mystery, science fiction and romance. Its concise runtime and focused central mystery make the search for Leiko the defining feature of the film’s profile.

Film data:
TMDB