Karen Ishihara felt suffocated by the monotony of daily life, even going so far as to post on an affair site, "I want my desire for infidelity fulfilled." Two years into her marriage with a husband three years her senior, she found herself increasingly dissatisfied. When a friend from school days casually mentioned enjoying an affair, Karen's own longing for infidelity began to grow uncontrollably. She started searching the affair site for a man who could fulfill her emotional and physical cravings. Meanwhile, Ran Koda, tired of her repetitive routine and craving excitement, decided to appear in adult videos. A confident, carnivorous woman with a great figure and strong libido, she eagerly looked forward to enjoying sex with adult film actors. In a hotel room, the scene began—she boldly exposed her body and indulged in the kind of sex she truly desired.