Beautiful young ladies only work on fertile days at the baby-making soapland, attracting regulars who want to impregnate them. Namisan, a married woman with large breasts, leads a life where she barely crosses paths with her workaholic husband. One day, a first-time customer becomes smitten with Namisan and starts visiting regularly! When the customer is specially invited to Namisan's home... they end up having baby-making sex while her husband is in the next room!!
