An incestuous sex movie about Airi Kijima’s family. Originally a lewd woman, after her husband went on a business trip due to the lack of breath, her husband Airi Kijima and her father-in-law had incestuous sex. Pretending to reveal the self-recorded sex video of the couple, Airi Kijima made the father-in-law unable to control his excitement when he saw the scene of his daughter-in-law making love in a lewd way, so he raped her. Because her husband was away on business for a long time, Airi Kijima alone was extremely uncomfortable because of the blood rushing to her brain, which made her think of this plan. After the father-in-law was caught in a trap forced to rape his daughter-in-law, Airi Kijima then continued to secretly sneak with this father-in-law. But then, she didn’t know that her husband was suspicious and it all started.