A well-known high-end brand store employee and current saleswoman, the married woman 'Hinano Natsumi', age 38, has been struggling with one thing. Despite her flawless appearance - clean-cut face, slim waist, beautiful tits, ass, and model figure - she couldn't shake off the feeling that something was missing. As time went by, she found herself coming home later and later, which led to less intimate moments between her and her husband. Desperate for release, she decided to secretly venture out to an AV studio...