Overview
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...
| Actor | Age then | Age now | |
|---|---|---|---|
 | 25 | 58 | |
| - | - | |
| - | - | |
| - | - | |
| - | - | |
 | 36 | 69 |