Swapping is when you exchange partners and have sex. Just when their sex life had become stale, they received a swapping proposal from a junior colleague. The Minami couple were hesitant to try it, but when they finally gave it a try, they found themselves emotionally shaken by the situation of their loved one being passionate about someone other than them, saying, "My husband is having intense sex with another wife..." "I want to feel good too, I want to show off, I want people to be jealous." This is the record of four people who go crazy and cum in their swapping.