..sure" I said, I thought it wouldn't be a problem (I'm 16 and she's 14)I climbed in, and we lay down facing sideways in opposite directions, turned o...f the light, and started falling asleep. Just as I was losing consciousness, I feel my sister moving next to me. She's writhing slightly, rhythmically. She starts breathing a little heavy. Oh my god, is she... I turn over to face her, eyes closed, pretending to be asleep. She quickly turns over to face the wall. Yeah, she was definitely. My entire ass-hole is shoved & stretched inwarduntil my sphincter finally succumbs 2 the pressure& allows your thick cock-head 2 enter my warm hole...u moan" your ass is still so fucking tight !! "as your hands grip my hip as tight as u can& u press your crotch tight against my open ass& push your delicious cock even deeper in2 meuntil i finally feel your balls against my ass-cheeks...when u start 2 slowly rock your hips back & 4thi pull my upper body a little further away from u& line up my. To my suprise she was fine with it so back to partying when lexis boyfriend who is super fit tall very black and a great guy whispers in my ear "I seen the pics you sent Lexi and I think you are a sexy women you gave me a erection " WOW what a shock cause I never thought he was like that .So anyway it's late and only the four of us left when my wife and sister in law go to bed leaving me and mark alone .So do you have a girls name he asks yeah Roxy .I must admit mark I'm very shocked " shut up. They had been together since high school as dad got mum pregnant at 17 but he stood by her and as soon as they finished education and got jobs they got married, I often saw mum and dad walk around with hardly any clothes on underwear and top as I was encouraged as well not to be ashamed of my body.I had sex at 14 with a guy I was stuck on, he always boasted he was good in bed but all I remember was my leg got fucked and a very spunked covered pubic hair, he was soon kicked into touch, well I.