I wetted the area and slid my cock in, it was tight but it started to go in mum groaned as she slid her finger over her pussy crack then licking her f...ngers. My cock now was almost fully in as I moved, this was unreal as I was trying not to cum, mum started to fondle my balls telling me to cum, I was close and within minutes of thinking it I was, my cock thickened and exploded pumping into her arse, I pulled out cum dribbled out and down her pussy crack, she reached behind and coated her finger. I asked Ship the same thing.”“And...” Ann broke in to ask.“Well, you remember that Ship partially enhanced them so that human pathogens wouldn’t harm them. There is nothing about their bodies that she doesn’t understand. And ... Ship feels that, not only are we sexually compatible, but there is an excellent chance that we can interbreed. Ship also told me that the females had been given a substance that had basically sterilized them; however, she feels confident that the process can be. Five ... please, Mistress, I'm so ... six ... sorry Mistress; I ... seven ... I will do ... eight ... better! I ... nine ... promise! Owww! Ten."Christine paused, and I could see the involuntary contraction of the muscles in Amber's butt and thighs as her body anticipated the next painful blow. I could also see a telltale wetness running down the inside of her left thigh. She was enjoying this more than Christine was, and that was saying something."Very good, Amber," Christine said. "Does it. I lifted him off of me and removed his pajamas, to reveal his fully erect 5″ cock facing me. I licked the tip of his dick, fondling his balls with my hands, and without notice took his entire dick in my mouth. He gasped in shock as I continued to deep throat him, holding his ass with both my hands as he thrust into my mouth. He removed himself from me and hungrily looked at my bulge.With great excitement, he opened up my button and pulled down my shorts and underwear, my 7″ dick bouncing out..