I gripped his penis again and began to slowly move up and down again as he moaned. He whispered to me, telling me to grip him tighter and move faster....The lightening continued and I caught glimpses of my hand on his cock. When he began to move and groan I knew he was going to squirt his stuff like I'd seen him do that day in his room.His cock began to throb and swell in my hand as I kept up my steady motion. My brother put his hand over the tip of his penis and then he erupted, sending his cum. But, my protests fell on deaf ears."It's a family tradition..." Once you get there, you will see what a good time you will have with your sister and brother, your grandparents, and even us."As the caravan headed north, I listened to my sister's babble and the faint buzz of my brother's headphones. One long week...Time seemed to stand still. Hazy, hot, and humid days in July... rowing on an algae crusted lake...fishing for non-fish...shuffleboard?...a swimming pool that had seen better days,. Stuck. Too bad, ain’t it?” I reached down and took his cock in my hand and stroked it. “Uh, baby, you better not be playing with my big old dick unless you mean it,” he said, mimicking what the black guy at the club had said. “You know you want some of this big white dick!” We giggled and I kept stroking him as I felt him responding in my hand. He threw the covers off and laid back in the bed with a deep sigh and I reached for the baby oil and lubed him up and continued to stroke him. He. My thought was confirmed quickly as Mark looked at us and said "I wish we could join you but with Janelle's dad being a preacher and some of those kids going to his church she'd be in big trouble."At Janelle's nod I got another devious idea to talk over with the girls later. I knew Mark was leaving early today to get his glasses so we could talk on the way home.After school I brought it up on the way to my house. "You know, I have the whole second floor of the house to myself. What do you guys.