I walk into my step-sister's room and she's so into what she's doing she doesn't even notice. I ask her what she's doing even though I can already tell she's watching porn fingering her pussy. She acts all startled and tries to hide what she's doing. I take her computer and she's watching step-brother/step-sister porn!!!!!! I knew my step-sister wanted to fuck me! I already knew she was a huge slut but now she's going to be my slut. She tries to lie and say it's just a fantasy and she would never actually want to fuck me(her step-brother). She doesn't look too convinced though and I get her to... Show more