You and your wife are at your sisters house, celebrating the 4th of July with her and her husband. All is going well until your wife finds a HUGE stash of naked pics of your sister on your phone!! Shes outraged, and confronts your sister, Kacie, who is also outraged, about it. Kacie agrees to have a talk with you and figure this whole thing out, but she notices your cock getting hard and after a while she finally caves, but just this once