団地妻　サラ金地獄 (1984)

A young wife, not satisfied with her ordinary married life with her husband, decides to take on an adventure with a young man. She is supposed to enjoy a fleeting adventure, but she discovers for the first time the joy of sex that her husband can never experience, and completely forgives her body and mind. The fate of a woman who falls into the sweet "trap" of a devilish man who owes her a large sum of money, and whose life continues to escalate as he tries to collect her loan money...