Stepmother Adultery Slave Betrayal Shame Game

Reiko lives with Atsushi, the child of her husband, who disappeared after an accident, and feels that they are getting along just like a real parent and child, even though they are not related by blood. However, one day, Atsushi tries to secretly film Reiko's shower scene, and that idea is shattered. When Reiko questions her, Atsushi says that he was threatened by the person involved in the accident his father caused. Reiko, who has a strong sense of responsibility, calls her home to talk to him directly, but that ends up being the trigger for a series of humiliations that befall Reiko...