Maruhi sennyû: Gyaku soap tengoku

A university assistant professor spends his days researching. A hidden camera is installed at a reverse soap shop run by a friend of his, and he studies techniques by observing the reactions of female customers...

Cast & Crew

Director

Sachi Hamano

Koyuki Fuji

Kaede Nishihara

Jun Yahagi

Maki Hidejima

Kaori Kuwabara

Hiroko Machino

Kanichi Hiraga

Eijiro Kawai

Masahiro Yoshida

Wataru Saito

Ryou Kurihara

Tetsuji Kajiki