The story centres on two married couples, Mihara Asuka and Kousuke, and Suzukawa Akana and Reiji, who have been close friends since their student days. On a trip together, the couples visit an onsen spa, where they decide to swap partners...
The story centres on two married couples, Mihara Asuka and Kousuke, and Suzukawa Akana and Reiji, who have been close friends since their student days. On a trip together, the couples visit an onsen spa, where they decide to swap partners...