My s****r Laura SeXStoRY

My life was never the same again after going to my big s****r, Laura's house one saturday for our weekly piss up. Here is what happened... We started to talk about our sex lives after a bottle of wine, now to describe my big s****r, she has short brown hair, blue eyes, size 12 with great tits (the first time i saw them was on a f****y holiday when she wore a white bikini top, her nipples shown through the fabric, this incident started my infatuation with fucking my big s****r, luckily for me, she wanted to fuck me to. "you know, she said i remember when you used to wank off into my panties and put them back" i was a little flustered and couldnt come up with an excuse she walked by toward her room "i remember putting them on to school, the feeling of my b*****rs cum on my pussy all day was so hot, i wanted to get pregnant with your baby, i remember going into the toilets at break time and finger fucking my wet pussy thinking it was your cock Steve, and you knocking me up and sucking on my massive titties was such a turn on" I had a massive boner at this point, she went through her room and came back 10 mins later wearing nothing. My big s****r was naked in front of me, her nipples were hard, her pussy was neatly trimmed and i could see she was wet with anticipation. "i know its wrong but do you want me Steve?" she didnt need to ask as i was naked within a second, she lay on the couch and i went between her legs exploring every inch of my s****rs pussy. "oh my god im going to cum, dont stop" she said, i buried my tongue deep in her pussy and felt her cum. that was the best orgasm she had had she said. "now then she teased, what to do with this" she grabbed my cock. "wait, i got a condom in my wallet" "no, no condom i wanna feel my b*****rs cock and cum inside me" "are you on the pill?" "no" i should have known better but, hey i was so horny i didnt care. i slipped inside her soaking pussy and fucked her slow and deep and hard. i knew i was only going to last 1 minute, but it was so intense as i sucked my s****rs nipples while driving my cock into her fertile pussy. " im going to cum s*s" "do it, get me pregnant" I came deep inside my big s****r coating her cervix in my cum. i was about to pull out but "stop, keep your dick in me so i make sure i have my b*****rs baby" we just kissed and i lay on top of her. I got hard again and we fucked a couple more times making sure no cum escaped her pussy