Mari, a young and elegant female employee, becomes the bride of the Tanaka conglomerate. However, her joy is short-lived as she is constantly toyed with and corrupted by the three father and son... Her armpits, legs, buttocks... her entire body becomes sticky with saliva as she is trained. Unable to resist as the three father and son play spectator games, Mari becomes aroused as she endures the humiliation. Mari's father's debt is exposed to her, and the moment she talks to him on the phone about money...