Maruhi sennyû: Gyaku soap tengoku

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...

Top Cast

Koyuki FujiKaede Nishihara

Jun YahagiMaki Hidejima

Kaori KuwabaraHiroko Machino

Kanichi HiragaEijiro Kawai

Masahiro YoshidaWataru Saito

Ryou KuriharaTetsuji Kajiki