Alina Lopez takes her duties as Seth Gamble's stepsister very seriously. She doesn't want her stepbrother fucking any of the neighborhood whores, so she takes care of his needs before he's allowed to go out. Today, Seth lets Alina jerk him off with a nice handie. They both pretend to not be into it until Seth finally nuts into a waiting towel. Only then is Seth allowed to go out with his friends since he no longer has a sac full of cum. When Seth returns, Alina is waiting for him, claiming she needs to test him to make sure he didn't get with any of the neighborhood girls. She pulls his pants down and says that if Seth doesn't get hard then he has been a good boy. Of course, Seth gets hard right away when Alina lays eyes on his dick. Her response is that he needs the cum milked out of him and the only way she can think to do it is to fuck him. Pulling up her miniskirt and shoving her thong aside, Alina sits down on Seth's lap to get her pussy filled with the cock.Alina's stiffie ride may be out of a sense of duty, but they may as well have a good time with it. They hate fuck in cowgirl and then in reverse cowgirl. Alina gets on her knees so Seth can pound her in doggy. Then she rolls onto her back so he can get her off since she's been giving him plenty of climaxes. When she is finally satisfied by Seth's performance, Alina pushes him onto his back and sucks his fuck stick until he rewards her with a mouthful of cum. Content that she has once again protected the virtue of the neighborhood girls, Alina licks her fingers clean of her salty treat.