![Maruhi sennyû: Gyaku soap tengoku](https://i3.wp.com/image.tmdb.org/t/p/w185/a40FtgFikmdsp2VF03uue0HGfKa.jpg)
Plot
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...
Writer | Kuninori Yamazaki |
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Director | Sachi Hamano |
Actor | Koyuki Fuji, Jun Yahagi, Kaori Kuwabara |
Country | Japan |
Production | Tantan-Sha Company |