I didn't have to wait long. Sandi got in at eight thirty; half an hour before the others were due to arrive. As soon as she came in, I locked up again...and dragged her to my office, locking the door. I was incredibly horny and in desperate need of a shag. We exchanged only a few words before we were on each other like a pair of wildcats in heat. In seconds our clothes were in a tangled mess on the floor, knickers and bras everywhere, and our mouths locked together in a passionate kiss. I eased. I kick started my bike and rode it out of the building. Her hands had now slipped to my waist and she was holding me quite tight. In fact tighter than necessary. Her warm touch and the sight of her exposed mangoes had already created a storm in my jeans and I was very uncomfortable. I was constantly adjusting my bulging crotch when she said “Arre beta ride the bike with both hands or else we will have an accident. What are you doing?”“Sorry Aunty” I answered “But my jeans are a little tight and. " And with that she lifted her skirt up so Colleen could see what she was talking about. There was her glorious pussy with red hair neatly trimmed all around it. Colleen was stunned at what was happening. "Um........well.........wow! That is gorgeous!" Was all Colleen could get out. She found herself drawn to it like a bug to a light. Colleen had eaten her fair share of pussy but nothing like this. Becky was just planning on showing her the pussy to get a reaction from her and well, she did get. I ran my hand down over her firm stomach but instead of continuing down between her legs, I stopped where her thin landing strip of pubic hair began, and then swept my hand across and down her left inner thigh, kneading her flesh. Her breathing had paused in anticipation of where she’d hoped my fingers would explore and she now groaned in frustration, her pubic bone lifting as if trying to find something to press against. The chain of the cuffs rattled noisily against the bed head as my.