The beautiful stepmother with a sensual body was stretching to make up for her lack of daily exercise. When her son saw her stretching with her big, round, voluptuous ass sticking out, he became aroused by its obscene shape. Surprised by her son's reaction, she took off her underwear and seduced him by exposing her pussy in the crack of her big ass. She took his erect, steaming cock into her mouth and led him to ejaculation. Her carnal desire was ignited as she straddled his cock, shaking her big ass violently as she moaned during the intercourse!