A man witnesses a panty flash in a crowded train. He hides his masturbation with a bag. However, he gets caught by the girl next to him. Instead of getting angry, she says "Continue w". She watches his masturbation and handjob, thinking she's a good girl. But it turns out she's friends with the girl who caused the panty flash. They both start to attack him! The man, having his weakness seized, is repeatedly taken advantage of inside the train. He is also forced to have sex and blowjobs inside the car. They move to a less popular place and do a punishment threesome.