Members-only Secret Club, Room For Exchanging Couples, ED Husband Who Wants To Hold His Wife/wife Who Spasms With A Cock Other Than Her Husband's.

In a hall filled with a suspicious atmosphere, two couples now face each other. One couple consists of a husband in his forties and a wife around thirty, clearly tense. The other couple looks younger, with the husband appearing younger, both exuding an air of experience. Following the lead of a man named Sasaki, who calls himself the manager, they swap partners and enter the playroom. The room is divided into a Japanese-style room upstairs and a Western-style room downstairs, ensuring mutual non-interference... "Now then, please enjoy your time outside the ordinary to the fullest."