JUR-037 "Mother-in-law, you want a play, don't you?" While my indifferent husband was away on business, I was constantly being inseminated and creampied by my sexually ravenous step-son Yusuke... Kinoshita Rinko

Rinko is happily married to a man with a child from a previous marriage. Her husband is supportive of her efforts to conceive, but due to his age, he is quite indifferent, and she secretly feels that her body is not satisfying enough. Then, her husband goes on a long business trip and she lives alone with her child from a previous marriage, Yusuke... It was around this time that his behavior began to become strange. As the distance between them grows closer, Rinko is confused by his increasing physical contact, but is unable to stop it. And his physical contact becomes more and more bold...