Bday surprise

I hope you enjoyed you birthday daughter ,but i have one more gift to give you. You see your girlfriend smile as she starts to lay her self down on your bed looking up at you. Her cock full erected glistening will pre cum. You know they had this planded. "come sit on my cock" with out a secondary thought you clim on your girls cock. Slowly taking in the think feeling as your still throbbing . "just rock your self slowly first" she says as you can feel you dad getting closer behind you. But the pleasure you feel is so good, you so full and as you come down again on her cock you feel your pussy rubbing on the base. Its making you ride even harder as the pleasure is building . But you feel something pushing its was into your ass .