.............The main rule in the arrangement between my wife Sue, her sister Annie and I is that Annie and I never have sex without Sue being present.............. "But Sue is here Mark. Please fuck me now!" She pleads.I glance across to Sue and surprisingly her eyes are slightly open. She winks at me, licks her lips, nods and then puts a finger on them for me not to let on she's conscious. I've got the go ahead!I smile at Annie. "Alright Annie but my rules now. We do this my way OK?"Annie nods. The walls were covered with religious art, the tacky kind, and diplomas and pictures and inspirational quotes. The closet had a box on the top shelf, and I lifted it and turned around to see her robe had become untied. She said "Follow me" and led me down the hall, her round hips swaying. She led me into her bedroom and said, "Put it right over on the floor there. Can you help me open the lid?"We both leaned over and as we did so, we bumped heads. I apologized and she said, "Oh, I'm sorry.. We kept kissing as we mutually masturbated each other. His fingers alternated teasing my clit and then sliding into my vagina. He started to whisper in my ear, that I was a hot fucking slut and a cheap whore. Dirty talk from Kevin always made me feel delightfully naughty. All of sudden, we heard a couple of cyclists stop and start talking. We each pulled up our pants but he did let me put my top on. I felt really exposed at that time. The Kevin being the naughty boy he is, then started to pinch. I smile & grab it near the base and just hold it a second. It's about 8 inches, thick & very ready for my mouth & pussy. I let go & look around the room & then pull my dress up. I've trimmed to where it is one thin line of hair. I spread my legs a little for you & watch your eyes stare at my pussy. You can see that I'm wet but when you try to touch me I stop you. I play with the head for a second and then we have to stop so we don't get caught. We pay our bill & leave. When we get to the car.