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Your Step-Sis is getting ready for her date and comes into your bedroom to say bye. As the door swings open she catches you jerking off to something on the internet. Your bitchy Step-Sis demands to see it else she will tell your Girlfriend what you've been up to. When she snatches the laptop away she discovers that it's in**** porn! "WTF ***! Does this mean that you fancy your step-Sister!?" You decline, all embarrassed that she knows your filthy little secret. "Unless you want the world to know that you're a little in*** loving freak ***, then you need to fuck me. Forget about that silly little slut of a girlfriend, all that should matter to you is that I don't ruin your life. Because I will." Your step-Sister makes you lick her pussy before you slide it into her. The feelings of guilt regarding your Girlfriend disappear as you bury your cock inside of your step-Sister.