*We rutted that way for a little time. My sister used my cock, working her pussy over me while she also rubbed at her bean. For me, those minutes were...a time of wonder. It was surreal being inside her. I couldn’t believe we were fucking together. I was vaguely aware of the word slinking at the back of my brain. It was a shadow. Something furtive which shifted out of sight if I tried to confront it directly. “i****t,” it whispered, snickering and sighing. “You’re fucking your sister … your. . see you then."Sarah was glad of Natalie's help. Her usual assistants were otherwise occupied and, while she could have managed she made things a lot easier. A little before mid-day the last riders had departed and the last chores completed, they sat in the kitchen and built sandwiches and drank tea."Now, girl," Sarah instructed firmly, "give!"Natalie swallowed hard and began to relate her history with Charles, right up to the previous Saturday night."You say he started calling you Browneyes?". ”“I think I will pass,” I replied. It’s hard enough for me to see you enjoying one huge cock. I don’t think I can handle two.”“Sure you can,” she purred. “I saw how you involuntarily had two big orgasms just from watching Rex’s big cock fuck my tight cunt. With two big cocks to turn you on, who knows what might happen.”Maybe she’s onto something, I thought. I guess I will give it a try. I would never have guessed in a million years what actually transpired. A few nights l later Rex introduced. Come back to mine."I replied, I am enjoying myself" ....I shall call you when I am leaving."Okay she said" ...I shall leave you a key out under the flower pot. "Oh okay then speak to you soon, bye for now!" Bye"A few hours rolled by and I decided to make the call in order to tell her I am leaving now and I shall see you shortly but unfortunately I got no reply, all I got was her answering machine telling me to leave a message.I hung up the phone and tried again but still didn't receive a.