My wife, Nana, has a secret that she can't tell her husband. It was that I had a forbidden relationship with my son-in-law, Jun. Nana is confused by Jun, who is getting bolder and bolder ... Even though she has a husband, she starts to ask for it ... I can't do things and continue the relationship. And Nana who is excited by the excitement that her husband may find out ... and tastes the climax many times.