"Kinder than my wife, cuter than my wife, and more in love with me than my wife..." Captivated by such charm, a middle-aged salaryman finds himself drawn into a dangerous affair. Surrounded by young female coworkers, he gradually falls deeper into temptation. These women are more erotic than his wife—irresistible, addictive. Day and night, the urge for sex overwhelms him, desire consuming all rational thought. Despite having a wife and children, he finds himself thinking again and again about staying over at her place. And she responds sweetly, "It's fine with me, as long as we have sex many, many times." Here lies the irresistible allure of a mistress more captivating than his wife, completely ensnaring the heart of an ordinary middle-aged man.