Gamerip visual novel " Kono mama ja, Ane to Sex Shiteshimau!?"from the Studio OLE-M, released in 2009, tells the story of an ordinary Japanese boy, who suddenly became incredibly popular with various sexy mothers. Dark-haired and blonde, tanned and dark-skinned, go out and date ass and Tits what a Milf he just was not...

The main heroine of hentai Serikawa-San, a very unusual girl. She gets no pleasure from sexual entertainments and not even feel anything. But everything changed after the appearance in her life a strange doctor who is so polite and courteous to her. He offers help in dealing with the issue of her strange illness by hypnosis. Each session is becoming more open and more open and the heroine attains hitherto unknown feelings over and over again.