The son, having grasped his stepmother's weakness, proposes cunnilingus as a condition for exchange. Unable to refuse, she opens her thighs, and he eagerly licks her vagina. Further, when asked to 'sit on my face,' she enters a facial riding state! With frenzied tongue movements sucking at her crotch, her hips start moving on their own, and she blushes as she comes. Unable to hold back, the stepmother takes his penis in her mouth and inserts it herself... It develops into forbidden incest！！
