Frustrated wives Shiori and Nanami, who have no sex with their husbands, go on a hot spring trip to release their daily desires! The two, who have overflowing sexuality and can't handle their plump, big-breasted bodies in their prime, pick up male customers at random! They sandwich dicks with their double big breasts, make them erect forcefully until they're satisfied, and shake their hips! A 170-minute new series from the NIKUYOKU label where they are attacked by liberated, uncontrollable, plump nymphomaniac wives and have their sperm extracted with reverse sandwich sex!