Jeff and Hannah were looking forward to a weekend of camping and a concert with his sister Karen and her husband Monte. They all got along well enough, Jeff has always been kind of a stick in the mud and slow to just enjoy himself while Karen, well to be honest her long term history was that she has some good days but if you asked 10 people about her, 9 would say she can be a bitch. And the tenth would be lying.
After a long drive and setting everything up they just had something to eat and went to bed. In one of those, what happens camping stays at the campgrounds examples, both couples started getting busy on opposite sides of the tent. They all thought it was risqué to be having sex in the same tent but it was a large 8 person tent, it was dark and nobody was that wild.
The second night things took a turn when walking back to the truck after the concert under the moonlit sky Hannah made a strange request of her husband. Could she have a pass to have sex with Monte? It would just be a one time thing and in the, what happened in the tent stayed in the tent category. Hannah didn't give any indication if this was a long held desire or just a spur of the moment idea. Who knows why Jeff agreed to indulge his wife but he did then on the ride back to the campsite Hannah asked Karen who for whatever reason also had no problem with the request.
So while Hannah and Monte cozied up to each other so they could get to it across the tent from Jeff and Karen Jeff got up to go take a leak followed shortly thereafter by Karen, which is when the second shot of moonlight struck.
Jeff had always fantasied about his older by two years sister. Karen is no great beauty but mildly attractive and at 5-5 tall and 190 pounds she's got a slender torso with a 36B chest and 28 inch waist but her hips spread out to a robust 46 inches with a wide fat flat butt and thick thighs. This was odd since Jeff's taste in girlfriends never ran towards the big butt girls, he normally went out with the petite cheerleader types like the 5-3, 120 pound Hannah.
Meanwhile Karen had thought her 6-3 tall 185 pound younger brother had many attractive qualities, most that the succession of her loser boyfriends lacked, until she met and married Monte who is kind, considerate and well, manly 6-1 tall and 210 pounds. But she managed to contain her feelings for her brother until now that is. Which may explain why both siblings so readily agreed to allow their spouses to, get together.
As Jeff turned to locate a chair it may have been a surprise to him and even Karen when she stepped in his path and reached into Jeff's shorts grabbed his dick and said, "You've never been interested in giving me some action Jeff?"
Jeff was not put off in the least by his sister's forwardness, responding by putting his hand on her substantial hip, "I'm not ashamed to say that you've always been an object of desire."
Karen liked hearing that and replied, "Well our spouses are occupied and it's just us, what do you say to us issuing our own free passes and acting on what we've been wanting?"
