It was still warm as they started off and Tia seemed to be leading the way. Roy had no objection to this as he was enjoying the way her butt moved. Wh...t is it about some cultures having the women walk behind the men, he wondered? After all it was much nicer view with them in front.Both of them were careful but they neither saw nor heard anything. Once they got to the cabin Roy checked it out and found that it was clear. Inside there wasn't much, a few old ratty blankets, an old potbelly stove. I believe that they can be improved." Derrick smiled widely, he'd forgotten that Shelby was highly intelligent from the get go. He'd also heard how she had accelerated her own creation with a few damn brilliant ideas. Sighing Derrick nodded he just might have to put her over the entire science section. "I just might have something for you to do my dear." Derrick told Shelby whose head snapped up to stare at Derrick at the term of endearment that he had just used. Narrowing her eyes at Derrick. We stay like this for a bit until I feel you twitch and throb like your going to cum and I move round so you can taste me and we stay like this for a little while. You slip your tongue and fingers in between my pussy and ass, using your fingers and tongue to send me almost over the edge. When you feel like I might be cumming soon, you flip me over and push me onto my back. I put my legs round your neck and you slide your hard cock inside me. The way my legs are lifted makes the blood rush to my. Brad reached down and took his penis in hand and began to stroke it."Do you guys like it when I play with my boobs? Does it turn you on?"Both boys nodded and Paul started to stroke himself. Lisa pulled her legs under her and knelt between the boys. She pushed her knees into their sides and told them to move over a little. When the two moved away from her, she spread her legs wider.Paul and Brad watched in amazement as she put one of her hands between her legs and rubbed her pubic mound. Lisa.