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Tight 72-minute runtime — shorter than most television pilots.

The film is based on 17th century Chinese erotic novel by Li Yu best known as The Carnal Prayer Mat. Mio is a struggling writer who writes a pornographic book entitled Flesh Futon which becomes a surprise best seller. With his newfound wealth, Mio begins indulging in the nightlife, excusing his activities to his wife by saying it is for research. Mio's reputation comes crashing down when a prostitute reports that his penis is like a "guppy". More bad luck follows. His book is banned, and his wife puts him on a short leash. At the height of his misfortune, his house is robbed. Mio meets the robber who turns out to be the Japanese folk-hero Nezumi Kozō. The two become friends, and Kozō introduces Mio to a doctor who can perform penis-enlargement surgery. With his new equipment, Kozō and Mio become frequenters of the red-light district, until the real Nezumi Kozō appears, and evil luck returns to Mio.
“Some stories are better left unspoiled.”

Terumi Azuma
Nui

Hajime Tanimoto
Mio Kingyotei

Nobutaka Masutomi
Jirokichi Nezumi Kozō

Rei Okamoto
O-ine

Tamaki Katsura
Kō Iwanabe
Hiromi Igarashi
Bikuni

Akemi Nijo
Tama Kishibe

Meika Seri
Credits
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Cinephile deep dive
Nobuaki Shirai directs. Toshiro Yamazaki behind the camera. Hajime Kaburagi scores. Jun Nabeshima cuts. Runs lean at under 100 minutes. Produced in Japan. Dialogue in Japanese.
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Production companies

Nikkatsu Corporation
JP
Themes & keywords
Release history · US
Also known as
Movie1974
Movie1992
Movie2019
Movie2019
Movie1969
Movie2014
Movie1979
Movie2017
Movie1973
Movie1966