Spanked by female Stories

In the previous story "An Accidental Swap," Bob and Carol traded partners at a party, with Carol fucking another man and growing closer to a woman. On Sunday, Bob was very friendly, but he didn't bring up the previous night's events. The following week, he was away on a course until Thursday. During that time, I was in a state of anxiety, enjoying what had happened but wondering if I should have stopped it. By Thursday, I...