Maruhi sennyû: Gyaku soap tengoku [(秘)潜入 逆ソープ天国]
- Release Year
- 1992
- Runtime
- 1h 0m
- Genres
- Comedy
- Directed By
- Sachi Hamano
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...
