When he first meets his girlfriend's mother, Misako, he finds her to be a beautiful and charming mature woman. As soon as they are alone, Misako suddenly starts masturbating! She says she'll wash him in the bath, but she licks his nipples, gives him a handjob, and makes him cum in her mouth. Their relationship crosses the line and they end up having a physical relationship! When he sticks his young dick into Misako, who is seducing him in lingerie, she goes wild... They can't stop each other's carnal desires, and they end up having forbidden raw creampie sex, something he's never done with his girlfriend!