Karin, a wife, entertains Kurosu, a subordinate her husband has brought home. By coincidence, the two were seniors and juniors in their school days, and Kurosu is entranced by Karin's fragile beauty when they meet for the first time in a long time. That night, Kurosu peeks at Karin as she gets entangled and wild with her husband... He can't get Karin's lewd behavior out of his head, and wanting to make her his own, he takes advantage of her weaknesses and plays with her body. He even tries to dominate her body and Kokoro with humiliating acts so that she will never leave him for the rest of her life...