When the father was transferred to another location, the mother and son had a physical relationship. A single mistake caused them to become irreparably dependent on each other, and ruined their relationship. If the father left his desk even for a moment, the mother would straddle her son with her throbbing pussy, and make him suck her hard cock. Today, too, the two of them desire each other so much that they lose all sense of reason. Until the moment the father appears in front of them...