Threesome Surprise

My wife is quite shy about sex although she confessed to me that she likes trios. I've noticed how she looks at those tall, sculptured guys that sell clothes on the beach. I dream I book a hotel room where everything is ready for a very loving and kind sex. I cover her eyes and in that moment one of those guys from the beach comes into the room. She knows nothing. He begins to have sex with her, first softly and then harder. When she is very excited I let her notice there is another man in the room. She explodes in pleasure...