Do-inranna onnatachi: Ōsaka fūzokuhen

どインランな女たち 大阪風俗篇

Also known as 変態好きな熟牝たち　露骨な下半身

Nobue, a reporter, wanders around Osaka's red-light district in search of the legendary soapland girl Miiko in order to write an article about her. When Nobue finds Miiko working in Tobita Shinchi, he ends up peeking at her play from inside the closet...