Misora ​​is a housewife who waits for her husband who comes home late after working overtime every day. One day, she masturbates using a cucumber that is an ingredient for dinner... And, to make matters worse, she fantasizes about giving her son a blowjob and getting cummed on his face. The son also witnesses his mother in such an obscene state and is driven by a fantasy of raping his mother... And then, one night, the mother and son go beyond their fantasies...