K.” after all, you are JUST my STEP SISTER!” She returned my grin, with a huge smile She quickly, (before I could resist any further,) slid her ...hand under the towel, and gently rested her hand on my shaft. I was instantly aroused to her touch, and was feeling very excited about what was going to happen next. The sexual tension just became too much for me to resist! She then rattled off a half dozen inquisitive questions, faster than I could absorb them. “Why are you so HARD?” “I mean,. [Early on the whole process of adjustments scared the hell out of me, making me the device they needed, the high value fucker]6. [And the scope of training extended to more than one subject at a time because time was of the essence]7. [Besides, initially, the effort for growing penis size was painful offset by the wonder of using the thing in Lilly for training purposes; It was worth it, fucking was awesome]8. [On and on, slowly moving the process from privacy to public there was an effort to. ..this... tramp in?"Amanda was livid. She leapt to her feet, ready to leap across the tableand throttle an apology from this woman, sister or no. Rand's sisterstarted to rise, but as she did, Rand slammed the table, moving it enoughto catch her in her thighs, aborting her rise. Then he did something thatsurprised them all. He yelled. "I have had ENOUGH!"His sister attempted a stilted protest, but Rand cut her off. "No! Noarguments! You want to know what the difference between you and her is?Why. The trouble was his cock was 9 inches long and thick. He wanted to use no protection too (ok with std test) and cum up my asshole.I was relaxed when I went to meet him and thought my ass would be loose enough. After lots of pussy rubbing, fucking and sucking, I got on all fours and he rimmed me for a bit before standing up and roughly pushing all 9 inches of his cock into my asshole! I screamed in pain but kept it together as he pumped once twice and a third time I could feel him ejaculating.