Family Threesome. We sure love it when it's time to fuck threeway style... especially when it stays in the family!. When her father-in-law catches her playing footsie with a classmate, a naughty slut switches back the situation into an intergenerational threesome.. A nerd gets some life classes from her step-mom and gets some good tips from Dad. Don't forget son, father knows best!. In between sisters, we do share it all... even a big dick because when ...