3-day/2-night Couple Exchange Camp 5 Ayumi Natsukawa

The Natsukawa couple and the Kanda couple, who live in the same apartment building, have a monthly camping tradition. Also, on those occasions, Ayumi and Kanda's wife always complain about their husbands. The next day, the Kanda couple gets into a fight over a trivial matter. Seeing Kanda's wife storm out of the tent and say she's going home, Ayumi suggests a spouse swap to cool off. However, that spouse swap leads to an unexpected mistake...