A man persuades a young woman named Kei (23) to participate in an AV production by promising her that if she gets pregnant, her boyfriend will marry her. Despite being initially hesitant due to concerns about becoming a mother too soon, Kei agrees after signing some paperwork. Throughout the shoot, both parties focus solely on their sexual desires without considering potential consequences like impregnation or sperm donation. As they engage in passionate intercourse, including multiple rounds of unprotected vaginal penetration and creampie shots, Kei becomes increasingly lost in pleasure. Eventually, she even forgets about the camera crew present during their intimate moments. In the end, despite initial reservations about having children early in life, Kei finds herself deeply satisfied by this experience – one which may have unexpected consequences down the road...