(秘)潜入逆ソープ天国 (1992)

Name: (秘)潜入 逆ソープ天国
Genre: 喜剧
Released: 1992-10-23
Duration: 1 h
Rating: 2
Cast: 藤小雪, Jun Yahagi, Kaori Kuwabara, 平贺勘一, Masahiro Yoshida

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...