Young man tricked by seductive stepsister

A young guy with a girlfriend and a seductive stepsister who's always teasing him. One day, he goes to his room and his stepsister comes in, wearing nothing but a towel. She starts playing some prank on him, leading to a conversation about his girlfriend's sexual prowess. The stepsister then reveals her stunning body, enticing the young man with her allure. She proceeds to pleasure herself, her hands exploring her shaved pussy. Unable to resist, he joins in, their moans filling the room as they indulge in their desires. Little does he know, his stepsister is not his sister at all. Their passionate encounter continues, with her showing off her ass and him exploring her with his fingers. The stepsister then reveals a monster cock, leaving the young man in awe. They continue their wild encounter, with her riding his cock and him enjoying her tight pussy.