A mother in her fifties receives a massager as a birthday gift from her son, and is touched by his kindness and decides to use it right away. The moderate vibrations make her fantasize about lewd things, and she masturbates by touching it to her breasts and crotch. The son, seeing his mother's white, soft body trembling as she ascends to heaven, loses himself in the sight of her voluptuous naked body and devours it. The mother in her fifties enjoys the forbidden act with her son, bouncing her large breasts and huge ass lewdly.