★ 5.0
★ 8.3
★ 4.7
★ 5.5
★ 3.9
★ 6.8
★ 4.0
★ 4.1
★ 2.7
★ 7.3
★ 5.6
★ 6.0
★ 1.0
★ 2.6
★ 4.3
★ 2.0
★ 3.0
★ 4.8
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...
