The fact that we were acting so normal, pretending like if nothing is happening, was extremely arrousing. Arent you a bit uncomfortable there sweetie?...You can take your underwear off if you want, you know, because of the heat. Theres nothing i havent seen already darling, im your mother after all. she said in a calm voice with her eyes still closed, her body facing the sun. Yeah I guess youre right, like always i replied, with a smile on my face as I was taking off the boxers. By the time I had. " No doubt I will," he said, taking his feet off the table and sitting up in the big overstuffed chair. He looked them over as the others approached him, comparing their body structures and the variety of their beauty. Linda's pert and teasing loveliness was familiar, but always appealing, her cute little tits bobbing proudly and the tanned skin of her belly backgrounding the warm comfort of her always-ready pussy.Aunt Beth was an eyeful, looking so regal and unattainable, so graceful and cool,. I was also hearing some gasping and moaning from Kelli's tent.All six of us seemed like instruments in some erotic symphony, sex sounds rising and falling, feeding off the resonance of the others, keeping the melody going. I was giving it to Ruth faster now, though they were still pretty measured strokes, in and out, in and out. I couldn't see her face, but imagined that her eyes were closed in enjoyment of the pleasure.The sounds from tent three rose to a fever pitch as I heard the man grunt. Below us, I heard the sound of the pipe clattering on the ground, a loud thump, as something larger and softer struck, and then just quiet. I pulled Amanda up. Once we were both stable, we looked down and saw the twisted form on the concrete below us.We were horrified as Anna's twisted body looked up at us, and tried to talk. Somehow, as improbable as it seemed, the words, barely above a whisper, carried up to us. Neither of us, ever told anyone what she'd said, and we've never even spoke of it.