My husband and I traveled alone for the first time in a while. - I visited a super cheap inn in a hot spring area. - The moment I arrived at the room, I heard a woman's heavy panting. - Apparently the walls were so thin that I could hear voices from the next room... - My wife secretly gets excited when she hears that voice. - And husbands planning swapping. - They exchanged each other's wives and started sleeping with each other. - A couple having an affair with each other with only a few centimeters of wall between them. - The feeling of immorality is conveyed and the pleasure increases. - In the end, a large amount of irresponsible creampie into another's wife...