"I'm really sorry, I didn't mean to stare."She shook her head. "It's fine. Judging by the tent pole in your shorts, I think you did mean to stare.”M... hands went to my crotch. She smiled."You better not let them catch you leaving the bathroom with me still in here," she warned, but I sensed that she was playing with me."Well, what am I supposed to do?"She shrugged, causing me to take notice of her breasts once again. "Sit down and wait."For some strange reason I complied. Maybe I was thinking. She rode up and down my rod as I continued to thrust up into her fat belly.This time I massaged her tits with both hands. I soon found out that tit play was a big turn in for my sister. She later said she had five big orgasms that second time around. I even managed to give her more of my cum. Kay collapsed onto my chest as I finished her off by leaving my cock inside her pussy."I suppose you are going to want to do that again?" She asked me.I was going to want my sister again but we were. She started wearing low cut and tight shirts that showed a lot of cleavage, and shorts that showed the outline of her pussy. I couldn’t help starring at her when I thought she wasn’t looking.My birthday falls in the middle of the school year so when I got home from school on my sixteenth birthday which happens to be a Friday, I asked mom what we were going to do for the night.She said since it was my birthday that I could choose to do what ever I wanted, but that we needed to be home around. But ever since she has been very curious about this alien concept of fucking. Mordin smile widely "Oh That's where you're wrong. Joker has been more than helpful in this research. He shown great excitement over the idea and shared his input. Together we created this..." With a loud clang a pod mounted on the wall opens ad reveals a body similar to EDI's current form. "EDI mark 2. You'll find this model a perfect tool for the job. Transfer to it so we can begin."EDI analyzed the chassis. The.