Kenzie gets into bed during Christie's normal naptime, and sure enough, Calvin comes on in and spoons behind her. Kenzie decides she likes the way her swap daddy's dick feels so she stays quiet as Calvin starts fucking her tight twat. Eventually Calvin notices and flips out. At the same time, Nathan spies on Christie as she's getting ready to nap. When Christie gets into bed naked, Nathan creeps in behind her and starts getting busy with his bigtit swap mommy. Christie thinks it's Calvin behind her as she grinds her ass against Nathan's hardon. By the time she's gotten into doggy and realizes it's not Calvin, Christie has been really enjoying Nathan's dick inside her. She starts yelling, which brings Calvin and Kenzie in to see what the ruckus is…