It's summertime, your mom is preparing your next school lesson. It's very hot in the house,,mom is bent over at the computer, wearing only a shirt, thong. You walk into the living room, see her bare ass, your cock gets hard. She doesn't notice you at first,by the time she turns around, you have a raging hard-on. She realizes that you don't know what's going on with your own body, decides that this can be your next lesson.