Tsugumi, a daughter who lives in a single-father family, is always alone because her father only works. At that time, she was approached by a middle-aged man who lived in the neighborhood and became a good relationship, but the man began to play tricks on Tsugumi's nipples, and eventually called it "play". begin to engage in sexual acts. Now, having sex is a matter of course, and the act escalates steadily, and male friends also come to the house and overlap their bodies.
