At a parking lot in Tokyo, Mio is left waiting as her boyfriend is running late, and she begins to grow bored inside the car. Her emotions start to rise, and she gradually begins touching her body. As her arousal builds, she starts caressing her nipples and touching her genitals. Soon, ignoring the possibility of being seen, she boldly begins masturbating. A man in the car beside her happens to notice her and, gripping his crotch, becomes completely absorbed in watching. When Mio realizes he's watching, she briefly considers stopping—but instead, her excitement intensifies, making her even more daring. To give him a better view, she places her legs up on the dashboard, strips off her panties, and continues pleasuring herself. Her moans grow louder and louder until she finally reaches climax. The man thinks, "It's over," feeling disappointed—but then a bold smirk appears on his face. Mio steps out of the car and approaches him, confronting him with, "Hey, you were watching, weren't you?" Then, she starts stroking the very pussy he was fantasizing about, driving her arousal even higher.