Her grandmother had taken her on a month long trip to Mexico, then I had been on vacation. I sprayed a mouthful of water all over the floor and droppe...d the glass I was holding causing it to shatter when I first laid eyes on Samantha.Six weeks ago, Samantha had been a normal looking teen age girl. Sure, she was getting curves, and I had noticed. Now she was sporting a massive rack stretching out a tight t-shirt. I couldn't take my eyes off the girl's massive tits! Where had those come. I then snuck out into the back yard and walked up to the fence between our property and hers. Our seven foot fence proved to be a bit of a challenge. I quickly scanned the yard and decided the best thing to stand on would be the old wheel barrow. All I had to do was pull itup to the fence in the flower garden right next to her house, that way I may be slightly concealed by the shrubs on her side of the fence. I so very carefully and quietly positioned the old rickety tub right where I thought I. I hope you don’t mind, but I tried to keep busy with a bit of light reading. Are you very familiar with the Kama Sutra?” she asked, seductively glancing over at the erotic manual she had just put down.He nodded in the affirmative.“Then you are must also be familiar with all 64 positions mentioned in it.”He smiled and shook his head, then took the index finger of his right hand and drew the number “18” on his chest.My wife smiled knowingly. “It’s good to know that we have a TRUE aficionado who. Oh yes he said. Mum turned her head and smiled. Joe knew she wasn't saying no and I watched on as he started finger fucking my mother from behind. After about 2 minutes of this I was rock hard and you could see joe was too. Mum was bent over the side of the Jacuzzi getting her wet pussy fingered as I watched. Oh fuck joe she said that's so good as she held her sagging tit as he was doing this. I then looked on as joe had taken his fingers out of my mums bald pussy, he rested himself on my mums.