More raunchy grandparents teaching teens how the fuck it's done in Grandparents Teaching Teens 5. Lenny introduces his new girlfriend to grandpa and grandma, and wants them to understand exactly what Lenny likes about her. There is only one problem, grandma is jealous. Before he can do it with his girlfriend, he has to give grandma a good fuck! And that starts off a series of taboo encounters! Cast: Bianca Melo, Anabelle Pync, Lilian Black, Tatiana S, Others