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...

Cast:Koyuki Fuji, Jun Yahagi, Kaori Kuwabara, Kanichi Hiraga, Masahiro Yoshida, Ryou Kurihara,

Genre:Comedy,

country:Japan,

Production:Tantan-Sha Company, Xces Film,