After moving off of her, Mark's eyes widened when he saw his mom lifting herself on all fours, arching her back way up like a cat. It was something he had seen her do in the living room countless times. But always dressed! Her ass was now inches away from his face, completely naked! And if the back-arched-upwards position was already sexy, what was coming was just unbelievable.

When his mom arched her back downwards, pushing her ass out in an incredibly erotic manner, his jaw dropped. Here was her pussy and asshole again, pressed outwards towards his face. The moan of pleasure that rushed out of his mother's lips...