Your stepsister comes home from the gym sweaty and horny! She catches you looking at her and she is intrigued. She is very dominating and shows you who's boss. If you can impress her, she says she'll fuck you. She is impressed with your cock and follows through with her word. If you can make her cum, she'll let you go further. You make her cum hard and she let's you cum inside her! Overall, she is very impressed with her Stepbrother. She lets you know that she goes to the gym often and she will be so horny every time afterwards. You will get to keep satisfying her as long as you don't mess it up! She let's you know that she will always be dominate over you.