When Xander Corvus and his girlfriend visit Codi Vore, his girlfriend's sister, and crash at her place, Codi takes an immediate liking to Xander. Using her juicy big natural tits as sources of irresistible temptation, Codi gets Xander rock hard in close proximity to his girlfriend. After close calls in the kitchen with some free-use cleaning sex, Xander lets loose and titty fucks Codi before pounding her wet pussy. After getting caught, Codi and Xander's actions show that this sibling rivalry is alive and well, with Codi getting the upper hand thanks to those perfect tits.