Maruhi sennyû: Gyaku soap tengoku (1992)
1h 0m | PG-13
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...
Director: Sachi Hamano
Studio: Tantan-Sha Company
Genre: Comedy
Video: 720p
Cast
Koyuki Fuji
as Kaede Nishihara
Jun Yahagi
as Maki Hidejima
Kaori Kuwabara
as Hiroko Machino
Kanichi Hiraga
as Eijiro Kawai
Masahiro Yoshida
as Wataru Saito
Ryou Kurihara
as Tetsuji Kajiki