For her beloved husband, she became his substitute on weekends, repeatedly penetrated by a lustful and wicked old man until she became pregnant… Mariko Koto JUR-339

One day, their once blissful marriage crumbled. The husband, who ran a company, was betrayed by a trusted moneylender friend, ultimately going bankrupt with mounting debts. The wife, wanting to rekindle their former happiness, secretly met with the moneylender. "If you want to help your husband, be my woman for the weekend!!" he promised, provided she could endure… Harboring this thought, the wife decided to offer herself to him. From that day forward, she began her humiliating weekends, becoming a substitute sex slave until she became pregnant…