Finally, I positioned myself behind her, rubbing her ass cheeks softly as she groaned in relief. Her nice and soothing moaning was going to stop very ...oon now as I pushed her ass a little lower giving me the perfect angle to do what I needed to do.“Oh fuck!” she screamed as my dick plunged straight into her ass.It was the perfect revenge in my eyes, fucking a whole that she probably never even experimented with, and although I wanted to make her scream over and over again, I knew that it could. High guys and girls, I don’t have guts to express my real sex adventure happened with my sister Mathi when I was in 12th standard. But I’m sharing my real story here.My sister Mathi looks very beautiful and sexy. She is 5.7fts and 36 28 36. Her face is very attractive. I’m unfortunate guy being born with her as brother other wise my full adventure would be different. Anyhow since I came to realize this world, I started concentrating my sister’s stunning beauty. We were three at our home.My. So, I stopped texting here. Then, one day, I saw her online on Facebook. I texted her, from there on, we became good friends to best friends. We starting liking each other.So, we decided to meet. Before the meeting, we had phone sex also quite a number of times. So, we decided to go to Lavasa for 2 days. As we both knew what is going to happen. So, I packed my bag accordingly with condoms and other stuff.We decided to leave on Friday evening. I reached a place from where I had to pick her up.. Anyway, Cindy thought that seducing Dave would drive George crazy; but in her rage-driven scheming she never thought about any affect it could have on Ann."She initiated the pool incident by talking Ann into sunbathing nude most of the week before Dave arrived. Then, when he got there, Ann had become comfortable enough with the nudity that she allowed the whole pool situation to happen. That night Cindy attacked Dave in his bed. Cindy said he did resist when he found out her true identity --.