A mother whose son found out that she had been watching him masturbate. - The son's makeshift words, ``How can I help you, Mom?'' turn the son into a sexual monster. - When her plump breasts are sucked and a finger is inserted into her pussy, even though she is my own child, her body reacts, and she involuntarily lifts her hips and moistens her crotch. - When she holds a dick other than her husband's in her mouth for the first time in a while and welcomes it into her vagina, she uses her hands and mouth to guide it to ejaculation. - Afterwards, the son, who cannot forget the taste of his mother's body, starts having an affair with his mother again because he won't share it with his father. - The mother ascends to heaven many times due to her son's violent movement of his hips like an animal, and the one-time promise causes her to seek him out for herself.