A married woman, Yuko, whose husband is a long-time single transfer, lives with the son of a college student. Although she was happy, perhaps because she was lonely because she couldn't see her husband, somewhere in her heart she was looking for stimulation. One day, I was attacked by my son's friend who came to pick up something I had forgotten and forced him to have sex. From that day on, my daily routine disappeared. The demands of my son's friend escalated and became more intense. A married woman is flirted with by a young man and gradually sways between feelings of guilt and pleasure….