A movie about young couples, after they got tired of making love to each other, it was so tasteless, the lustful people came up with a new game, which is to exchange wives and husbands for each other. They arranged to go to someone's house, then they both exchanged wives, then caressed, caressed, touched,… The two shared stimulation for the other person's wife, and then the two couples made love next to each other in a very attractive way. Actors: Rino Kirishima, Ian Hanasaki, Yuri Sasahara