Molestation unfolds in front of a couple on a train. A husband who doesn't notice and a wife who can't take his eyes off her. Eventually, just watching is not enough for the wife, so she approaches the molester and starts rubbing her thighs and butt. The molester also fondles her breasts and plays with her crotch as if she were a perfect prey. In a situation where not only the people around them but also the husband might notice, the act between the horny wife and the molester escalates, and they even have sex in the car...
