"Oh that's good! that's real good Mary, so smooth," Anne said as she started to fuck me bottom with steady, deep strokes.

I was in heaven. The cool breeze all over my body, the thrill of outdoor nakedness and the dirtiness of being arse fucked by Anne. For her part she was obviously getting the same level of enjoyment from the situation and the fact that she clearly liked to dominate her lovers.

Mary had been pumping into me for a couple of minutes. A couple of minutes of sheer pleasure when suddenly came a loud voice, "What the fuck is going on here?" It was the voice of a...