Tipping the Babysitter

A married man attends a dinner party with his wife, leaving a hot teenage babysitter to look after their kids. They return home late, with his wife passed out in a drunken stupor. He offers to drive the babysitter home, but when they come to a roadblock she makes a move on him. a move that is extremely welcome.
warning: this is an erotic short story for adults only! all characters are over the age of eighteen and the story contains scenes of oral sex and penetration.