Students bored in history lecture, risky masturbation in a public place

Students bored in a history lecture venture out to masturbate in a public place, in dire need of sexual gratification right now. Excited and aroused, they decide to do it on the edge of the forbidden, despite the possible consequences. Adult play in public places is their way of dealing with the dull reality of historical dates and facts, and they are willing to go to any lengths to experience even a moment of real passion.