The wife-swapping scene seeks new sensations.

Misaki Nanami and Ootsuki Hibiki are swapped by their husbands for each other's wives to enjoy a new feeling. These couples have fucked each other, made love, as well as eaten and slept together so often, it's strange. Especially in the scene at the end of the movie, they even have sex openly with the other party's wife in front of them, these guys must have lost their senses. Just like that, how this love story goes, please watch it.