A story about two married couples living next door to each other, both struggling with their own sexual issues. One day, they receive free hotel stay vouchers from a newspaper salesman and decide to swap partners using connecting rooms at a high-end hotel. On the big day, the doors between the two couples open up to reveal NTR (Netorare) scenarios involving cheating wives and unsatisfied husbands. Note that the recording contents may vary depending on the distribution method used.