Nathan Bronson believes Lilly Bell, his stepsister, is a little crazy. He chooses to set Lilly up by letting her use his car because she asked looking lovely and sultry. Lilly requests to use Nathan's credit card later. Lilly offers to let him touch her pussy and takes off her shirt to reveal her tits as he attempts to say no. While Lilly parades off with his credit card, little does she realize that Nathan has taken another step toward what he desires. When Lilly tries to show him off her gorgeous new clothing when she arrives home, Nathan finally gets to capitalize on his good guy persona. When Lilly jumps onto the couch and offers to rub him off and suck his dick in exchange for all the sweet things he's been doing for her, Nathan tries to tell her no. Nathan has been pursuing it covertly the entire time. Lilly delivers, giving Nathan a messy BJ with a deep throat. She will gladly comply with Nathan's request to fuck her, all he needs to do. Lily rolls over onto her hands and knees and leans over the arm of the couch so Nathan can give her a doggie smack. Nathan takes Lilly in every manner he can think of now that the stepsibs have chosen to go in a seductive new direction with their relationship. So she can ride his enormous dick, he pulls her into his lap. Lilly turns around, massages her own clit till she's groaning, then hands it to Nathan in a reverse cowgirl motion. As she finishes, she finds Nathan soaring over her, and she lies on her back, anticipating a long, satisfying D. While Nathan is buried inside his sister, he begins to lose his load and pulls out to finish. Lilly claims she's not on birth control but wants to have a child with Nathan when he confirms this. Nathan learns this