National Treasure-Level Big-Breasted Housewives Take Turns Having Sex: Nakamura Chie, Kazama Yumi JUY-607

A husband who deeply loves his wife, Kazama Yumi, but desires to be a NTR'd (a sexually exploited partner), visits a wife-swapping website one day and reveals everything to her. Confused, she attends a party organized by the website for her husband. Upon arriving, she sees another couple, the Nakamura couple, whose wife, Nakamura Chie, is also uneasy. However, after a speech by the organizer, Sakurai, the two couples switch partners and begin passionately engaging in sexual activity…