Heidi (for it was clear that Jacqui was in that kind of mood) was thrilled beyond measure at the suggestion although I don't think she was thinking be...yond the promise of being used and having sex in such controlling circumstances. For myself I was a little uneasy for I wasn't entirely sure what we might be letting ourselves in for and certainly the thought that whatever it was that we would be bound by contract was a scary thing to get my mind around. However, she was so keen on the idea that. He placed his hands on her ass cheeks, with his thumbs spreading her nether lips open. She shuddered as her hands moved forward and cupped her sister’s breasts. Often as teenagers, and in later years, the twins had given each other pleasure with their hands, lips, and tongues. Now they kissed and fondled each other, as Hugh fucked one and ate the other.Several minutes passed in this exceedingly pleasant manner until Margaret reached down to caress her sister’s clit. As the final straw will. She was bright and a good conversationalist.At lunch time she suggested going to their suite since she had plenty of food in the mini kitchen there. I followed her, totally entranced watching her firm buns putting on a show, especially going up the stairs. My suit bulged.We each had a beer which went with the nice lunch she fixed. Afterwards, instead of going to the pool we went out on their balcony which was surprisingly secluded. I sat down but she moved in front of me and took off the. I turned around so I wouldn't disturb them when I then saw that in the large bath both women were astride across their (I presume) husbands riding their cocks. I now had all 5 couples banging away at each other like it was an orgy, luckily enough there were no other businesses open, I’m not sure what excuse I could had come up with to explain the noise. With all the activities going on the place was starting to steam up a bit but that only enhanced the whole voyeuristic affair and I too was.