Dinner was awkward as i tried to sit properly but very uncomfortably as i had just been anally ****d so to speak by her husband earlier. After dinner ...hey retired to their room and soon i could hear moaning, seems our earlier activities got derrick excited as i could tell by my sisters moans and cries he was having his way with her ass. It was kinda funny know i had seduced her faithful husband. I awoke the next morning my sister was making breakfast as we sat and ate derrick left for work and. ”Josh answered, “Of course that would be great, why are you letting us do this?”“Let’s just say I’m paying back a favor. Also I will expect something in return after. Now each of you strip down to your underwear.”They followed my directions and all three were wearing tighty whities. They all had the same skinny build except for their height. They all looked a little nervous following my directions but each one did. “Ok, one by one each of you are going to come into my bedroom to get rid of your. I also took out a twenty, thinking I might buy a lap dance from my wife as well. I rejoined Bobby in the basement and the girls kept us cooling our heels for a while longer before making their entrance.They had not changed outfits, but Stacy put her dress back on and Caryn was back in her vest, but without her skirt. She was wearing the wedge-heeled sandals she'd worn to the party. They had done their hair and put on make-up, though. Stacy seemed to be going for the girl-next-door look and had. Erin was screaming into the floor. His muscles quivered with ecstasy. Another thirty seconds and the feeling that had been rising in his groin suddenly exploded out of his cock and squirted forcefully into the cup. Jim gave him a few more strokes through the orgasm and then pulling out, quickly reached down and started milking his cock, making sure he got every drop out."Get up," Jim ordered, "I have a treat for you."Erin stood up, his legs shaking. Jim laid down on the bench, his cock sticking.