Her husband was depressed at home, brooding over a mistake he made at work. Seeing her like this, Sayaka was worried, but one day her husband, who had drunk too much, was driven home by her boss. There, when they met for the first time, the boss saw Sayaka's beautiful appearance and decided to take advantage of her husband's misconduct and train him. Having successfully entered her home, the boss got her husband drunk and asleep, and began training him. At first Sayaka was reluctant, but gradually her body began to respond. And then...