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...
Koyuki Fuji
Jun Yahagi
Kaori Kuwabara
Kanichi Hiraga
Masahiro Yoshida
Score: 4.0
Score: 4.9
Score: 5.6
Score: 2.0
Score: 3.0
Score: 2.0
Score: 0.0
Score: 3.8
