She launched herself through the air and landed on the bed, laughing at me, teasing me while she pulled her shirt over her head and tossed it in my di...rection. The bra was last, she dangled it briefly from her fingers then grinned as it fell to the floor. I followed the scattered trail of Madison's clothing to the rear of the RV. I’d never seen any girl completely naked before and my heart lurched in my chest when I saw her; my semi-hard dick became her plaything in seconds. Madison is about. She could only get a few inches in her mouth because of the thickness of his cock, but he was moaning with pleasure as she worked on him. I walked up from behind and slid my hard dick in her super wet pussy, I slid it in and out a few times and decided to watch them before I blew my wad early. She stopped sucking him and moved up and onto his Dick which looked bigger than he said. Once it slipped in she threw her head back and started a slow ride getting acclimated to its size. She fucked him. I had asked a couple times about fucking her in the ass but she always said no. "Lube me up good baby and go slowly but fuck me in the ass now before I change my mind"She pulled the dildo from her cunt and tossed it to the side and rolled over and got on her knees. The fucking thigh highs looked so fucking good on her legs and her ass pointing up in the air waiting for my dick was a sight I will have in my mind on my death bed. I opened the KY a squirted a fair amount on her asshole. I told her. “Cathy, your dad is our biological father too,” Diane stated, grinning from ear to ear with pride.“We are real sisters?” Cathy screeched.“Yes, we are real sisters!” Diane answered, her cheeks hurting from smiling so much.Cathy’s eyes stayed wide open, looking to Dan. “It’s true honey. Diane, Brenda, and Brad are also my children. Karen told me a few days ago.”Vicky had been watching the whole scene taking place. “Don’t any of you notice it?” She asked.“Notice what?” Several of them answered..