Nami Okimiya, a seminar lecturer who takes on corporate training assignments. She loves her wife, Nami, who has a beautiful face and figure, but she hasn't had sex with her for several months. One day, Nami consults me about an obscene question she was asked during a training session and says she doesn't want to do it. A certain feeling arises in me. It's a desire to see Nami being taken by someone she doesn't know. From that day on, I bring up the topic of backdoor circles to Nami and tell her that such couples also exist. And successfully taking my wife to a porno movie, I execute my plan….