Melissa and I lay there face to face under a single large sleeping bag opened up, quietly chatting about the days events and that probably lasted for ...bout an hour almost, although I wasnt paying attention to the time. Suddenly the topic of conversation changed. Do you know what sex is? Melissa asked me. Ummm, no. Do you? I answered. From what Ive heard its when a guy and a girl start, playing with each others private parts and then the guy puts his penis inside the girls vagina. She replied.. She stopped kissing me and sort of pulled away but she grabbed the bottom of my swimsuit that was covering my ass and slid it to the side. Just then I felt someone else coming up behind me and saw it was my brother, Zach.My sister spread my ass cheeks as my mom came up beside me and told me that I was going to be a good girl and let my brother fuck my ass or else. He had his bottoms off and he grabbed me the hips and I felt his cock poking at my hole. He pulled himself into me as I held onto. .but when it comes to real fucking, I think you should only do black cock." You're okay with that?" I'm more then okay. I would be so happy."Anna hugged me tightly and kissed my cheek. "I love you so much. You don't know how happy this makes me." I love you too, Anna. That is why I think you deserve only black cock in your white pussy." I'm glad your not mad, honey. I'm so happy! I think I'm going to cry." Anna said as she wipe one of her eyes that had begun to moisten. "It has been bothering. ’ ‘Well, it was a bit difficult with Maddie there, but we did make out a little.’ ‘Just a little?’ She was such a tease. ‘Like I said, having Maddie made it pretty difficult.’ She eyed me suspiciously. ‘Hmmm. I’ll call her and wrangle the truth out of her.’ ‘That is the truth. What else do you want to know?’ ‘I want to know if you nailed your second Bradford sister.’ I just looked at her, trying to give away nothing. ‘Well?’ I looked back at her with the most offended look I could put on.