my little stepsister is jealous because I'm going out with my girlfriend and she decides to take all the milk out of her until I

My stepsister, the youngest in the house, is very jealous of me, she doesn't like to let me go out partying and she doesn't like letting me go out with my girlfriend or my friends either. She knows what her trick is to get me to stay home with her and I like that, a hard fuck until she makes me cum really good in her ass.