I went to the club last night and guess who I saw there. My slutty step mom who is supposed to be at church! She is out with the girls and dancing and grinding her big ass all over strange dicks. She did not see me but I got plenty of pictures to blackmail her ass! The next day I found her in the kitchen. I went up behind her and pushed her around and bent her over the counter. I ask her where she was last night and she told me church, you lying whore, I pull her skirt up and take out my cock. I ask her again, and she lies again. I shove my cock in her ass and fuck her until she finally gives in and says the truth. I blackmail her and tell her she is now going to be my ass slut or else I will show dad the pictures and videos. I pound her big ass hard until she gives in. Ok, I will be your ass slut son, she says as I cum deep inside her ass