As everyone is sharing their experiences, I would love to as well...
It's all started with my serious gf. That time we used to live together and going to same University. We were quite popular at uni, she was good looking pretty girl and me as athletic handsome guy. You can imagine the couple I belive
We used to have many friends to sleep over at our place. One night one of my best friend came over to our place with his girlfriend. We were drinking till morning as I remember. At the end they went to their bedroom,we went to ours as well. Anyways we were trying to sleep till they started to bang so loud. They were just next door and we were hearing all what they do! And we were like they want us to hear them or what.. So we started to bang as well and make sure they hear us. And I asked to my gf shall we go there and join etc. She was to shy actually and I didn't wanna push her plus I was not sure about how the other couples reaction will be... Anyways we had a very wild sex but the idea stucked on my mind. That night I realized that I would love to have group action and see my partner playing there.
Nothing happened with that gf of mine but the next one and current one
I ll write as soon as possible about the rest.
Sorry for my bed English btw
Regards