I squeezed hard and wondered if she could feel my semi hard cock on her waistline. "Thanks." She said as we went back outside to the fire. "Here comes...the party!" John said with his open hand eager for a new drink. He was already beginning to slur his words and seem quite drunk. They must have started long before I got there, that must be why my sister was so emotional.We all sat down at the fire and exchanged stories about life and how things were going. We were all drunk now after a couple. He turned his attention away from my nipple long enough to undo my skirt and pull off my stockings and panties. I could hear the soft sound of my removed undergarments hit the industrial carpet beneath us. Donovan sighed as he looked down at the neat triangle of brown hair concealing my sex. He ran his hand across the warm, smooth flesh of my belly and then kissed me again as he moved his fingers through the curls between my legs. I sighed with the recognition that something great would happen. I was surprised even at the cabin Sandy insisted on sleeping nude. Its a wonder I didnt screw the ass off her every chance I got. If I didnt work out almost every night after work I probably would have. It was important for me to keep up my regular routine at the gym. I was proud of my muscular body. This weekend would be longest I would spend away from the gym but it was worth it to spend time with my family. I got to bed and I must have fallen asleep as soon as my head hit the pillow. I woke. As I did he said to put the head in my mouth. I was a little nervous, but I enjoyed everything he's done to me so far. Moving down, he said that's it. Now close your lips around it. It took me a couple of trys before I did it without my teeth closing on his dick. Yes, he moaned. Now suck like you were drinking a milkshake. As I sucked I could taste his precum going in my mouth. He moved his hand up and down his dick as I continued to suck. I was getting more of his precum as he stroked his.