UMD-611 — Couple Swap Hot Spring Trip 2: The Secret To Breaking The Rut!! Unexpected Mixed Bathing?! Drunken Wives Get Cuckolded!!

Two couples who have been friends for years go to a hot spring. However, this trip is a swapping trip arranged so that each husband can have sex with the other wife. That night, the husbands set up a nightclub with each other's wives, unaware of each other's situation.