Pink no Curtain / Pink Curtain

The hentai "Pink no Curtain" is based on the manga of the same name by Akiyama George, which was published for the weekly magazine Weekly Manga Goraku in 1980. The protagonist is an ordinary Japanese virgin guy, Okuyama-kun, who works part-time at a supermarket and just can't find himself a girlfriend. However, soon his life changed dramatically. His sister Noriko suddenly came to him and said she was going to live with him. However, although Okuyama was anticipating and full of lustful thoughts, Noriko saw him only as a regular little brother...