Two delicious tits were now pressed against my chest and I wasted no time cupping them in my hands feeling rock hard nipples in my palms.I moved my he...d down to start sucking and nibbling on those nips, stopping briefly to let her pull my t-shirt over my head. She moaned happily as I nibbled and her hand started to feel my hard cock through my shorts. Not to be outdone, I slid my hand down to feel her pussy through her bikini finding the material pleasingly damp. She started to undo the belt on. I think I can talk to you more than Mum or Dad. I really think there might be something wrong with me.”“OK, do you want to tell me what it is?”Watching her lovely bum earlier had me all worked up and I really needed to release my cock from the confines of my jeans.I took the chance and hoped that she wouldn't scream or run but that devil in me was pushing me. I stood up and dropped my jeans and pants to my knees, trying to look as innocent as possible, finally releasing my “semi” from the. He feeds us some piece piece. He said he has been listening to us talk and wants to finish up Billy's story. He said Billy is right he was brought here so he can extract sperm so he can create a serum that will re grow limbs. He said that he rushed things and Billy was too young yet and was not capable of making sperm . He said that's where I come in. He said for his experiment he needs young boys sperm. I tell him no way am I going to give him any of mine but he laughs and walks over where he. "Here, take this while I get undressed." I sat down beside my Mom and began playing with her breast. Considering that I had all ready cum in her mouth, playing with her tit seemed tame. However, it sure was fun. And it was giving me another hard on. Well, maybe watching Matt strip and knowing he was about to fuck Mom again had something to do with my erection too.In seconds, he was completely nude, and hard. He took Chris's place next to Mom, and her other tit. Then he reached over, took her.