It's as simple as it sounds. No cheating, coercion, f***rced sex or humiliation involved at any point within the story. Just a couple bringing another man or woman into their bedroom simply because they want to try it out. I've scoured the land trying to find something like this and although I...
I assume this is fairly niche but I might as well try and get the ball rolling here. It could start off as a regular wife swap and may even turn into a foursome, but at some point (preferably at the end) one of the husbands has a threesome with the other couple while his wife is either...