Yui, a wife who can't be satisfied by her premature ejaculation and masochistic husband, and Noa, a wife who's fed up with her husband's persistent and impotent sex. The couples living next door in a certain apartment building both have their own sexual frustrations. One day... a man soliciting for a newspaper gives them free vouchers for a luxurious hotel, and Yui and Noa hatch a plan. It involves using the connecting rooms <connecting rooms> to swap husbands. And on the day they meet, the doors to the two couples' NTRs are connected...
