Although this guy knew that his sister-in-law got horny every time they were around, and that she was willing to fuck him like a slut, he had always tried to avoid her. However, the slutty MILF managed to get into his bed one night while they were sharing the house. Once in this situation, he decided it was best to give her what she wanted, but he wasn’t going to go easy on her. He put her in doggy style, to bug her from behind and leave the mature slut’s pussy destroyed.