I ordered food for both of us and we had the food. She said that she would love to leave now as it was getting late and I thought that if I did not ma...ke any advances I might never get a chance like this. So I gathered all the courage and asked her if I just could kiss her and she said no but I put pressure and she had to say yes. Let me tell you, that was the beginning of me living in paradise for 4 days.I started kissing her and she also responded and I was playing with her boobs, she tried to. My own knees were weak from this fourth time in less than a day, and I fell to my knees having already slipped out of her bum.We both stayed there behind the tractor for a while, as we continued to recover. We were both breathing hard, and sweating. Katie finally reached around for my hand and pulled it to her face and kissed it."Thank you, Mark! That's the best I have ever felt in that position. You can have me anytime that you want. Just don't leave me. I don't know what I would do if you. Mommy!"I put my hand on my sister's stomach and stroked it lovingly as I had done earlier with my mother.I am touching my fucking hot sister!She moaned and breathed heavily when I started pulling on a fistful of her thick pubic hair. Rick was now thrusting his hips back and forth, fucking my sister's hot pussy with firm strokes."Ooh, you beautiful fuckers!" my sister screamed. "You're driving me so fucking crazy. Don't stop touching me. Rick, fuck me harder. I'm gonna come so fucking hard!"My. Peeking in, Rose squinted against the heavy steam. She could see what was an obviously-feminine body through the frosted glass of the shower. The sight made her pussy burn with need, and she felt the suit revert back to it's original form. She knew what to do almost instinctual, making her way into the room quickly and quietly, hugging the far wall as she slunk closer. She crouched low, reaching out for the door to the shower. In one motion, she sprung. Rose and the suit moved in unison, as if.