JUX-418 Married woman Kasumi Okazaki trained by her husband's boss

Kasumi, a wife, lives an ordinary life with her husband, Mitsuo. One night, a drunk Mitsuo comes home bringing home his boss, Tajima. Tajima has had his eye on Kasumi for some time, and when Mitsuo falls asleep, he pushes her down and rapes her. Not satisfied with just one time, Tajima continues to come to the Okazaki house and plays with Kasumi as if she were a toy. At first, Kasumi resists violently, both physically and mentally, but gradually Tajima begins to train her...