Just when I was opening my mouth, I felt his thick cockhead invading my very tight asshole easily. I did not even take a gasp…After a few seconds, I...let out the air and it felt good…"Good girl… now just relax and enjoy this anal treatment…”Max whispered in my ear, as he grabbed my hips firmly…During the next seconds, his huge thick cock sunk even deeper into my now fully stretched anus. He finally hit the bottom.We both moaned with pleasure at the same time.He then started to pull out and push. From a young age we brother and sister are used to staying like this with each other, although our parents come regularly with us. We are very good friends. We used to stay like normal brother and sister type, but this incident has changed our whole life.Let me tell you about my brother . His age is 26 years old, he is a very fair n a muscular boy. He looks very handsome. He has no gf as he is not open mostly in public. He likes to stay in privacy mostly chatting on the net, writing stories,. It’s about making your partner feel good. And that makes you feel good.”“I get that,” said Julie. “Last night, I could tell I was making you feel really good, and it made me feel good, too.”“You did make me feel good,” he sighed.“You made the strangest sounds,” she said. “Just before you spurted I thought you were having a fit.”“I shouldn’t have done that in your mouth,” he sighed.“Why not? I liked it.”“Really?”“Absolutely, though I don’t want to do it to any of the boys I know.”“Good,” said. After ten minutes, Charles came back in the room looking triumphant. ‘Jerry wants to meet with me to go over a few things, do you mind if I head over there?’ He asked, already searching for his coat. I gave a tired smile. ‘Sure, no problem. I’m just going to be resting anyway.’ Charles beamed at me as he gave me a quick hug, promised to return in an hour or two, then rushed out the front door without another word. I spent the remainder of the day on the phone. I started with calling my parents,.