While his wife was away on a trip, he had a forbidden secret rendezvous with his sister-in-law Karen... As their relationship cooled, he could no longer resist her temptations. "Your sister is cheating on you, too," he sweetly said, and the two of them made love. The more he thought it was wrong, the more his reason flew away. He devoured his sister-in-law's overly erotic body, cumming inside her again and again, morning, afternoon, night, and the next morning. It was the best moment, as they continued to desire each other. He wanted to stay connected forever. It felt so good that his head melted from the sense of guilt and euphoria...