Austin’s stepsis Gia is starting to go on dates with someone from their church. She really likes him but wants to save herself until marriage, so she is a nervous wreck all the time, trying to avoid the temptation of going all the way with her special guy. Moved, Austin decides to help her find ways around the problem and stay pure until marriage. Noticing that his stepsister is nervous before her date, Austin knows a way to relax her nerves: playing with his cock! Gia’s stress goes away as she caresses her stepbrother’s dick. The plan works like a charm and Gia comes home all giddy because the boy asked her to be his girlfriend. Seeking advice from Austin, Gia asks him how to treat her new boyfriend. Austin decides it’s time his stepsis learns how to give a proper blowjob. The nerdy girl learns to eat dick with his stepbro, but she still feels she can’t go all the way with his boyfriend if she wants to stay pure. Lucky for her, Austin knows about a loophole: anal sex! She needs to practice it before doing it with her boyfriend, though, so who better to teach her than her loving stepbrother?