Celebrating 19 years of marriage, veteran housewife Keiko expressed a long-held desire to have sex with a male performer, which led her to audition. While she's been in a sexless relationship with her husband since giving birth to their child, one might assume she's sexually frustrated. In reality, however, she harbors a surprisingly lustful side—secretly using dating sites to meet younger men who enjoy mature women, hooking up regularly as a passionate, experienced mistress.