Yet another sex scene came on and I got another erection, it didn't go down for about 10 minutes because the thought of Lucy being within touching dis...ance of my rock hard penis was such a turn on.As the night progressed we watched a few more movies and drank some more beer, it was about 2AM and all of the parents had left, my parents and the twins parents had fallen asleep on the couch however. Me and the girls were quite tipsy now from drinking quite a bit. The girls were in there usual hyper. And after a little bit of struggle Anthony inserted his entire breadth inside my asshole and started to fuck my asshole mercilessly. I shouted loudly and was in great pain as I was being fucked there for the first time. Monica caught my face up and lied under me and stuck my face in her pussy. Her pubic hairs all went inside my nose and mouth as she brought my face in it.After some more strokes the pain was all gone now and I started to enjoy the pounding I was getting in my anal hole. And I. The two of them ended up having sex, and when they orgasmed together, a bond was formed between them they did not foresee, and an actual change began in their bodies, in the DNA.The ended up combining to form a new strand of the disease, that caused the patient to produce more of the protein rather than having the disease destroy it. They also started to see other physical changes.They both noticed better vision, better hearing, and a high degree of empathy between father and daughter, and also. I start to crawl over and you stop me -not yet fag- you say I'll tell you when.You reach again in the drawer and pull out a white thong and bra and stockings and you bring them over to me.You drop them on the floor and tell me, -put this on fag- without getting up from the floor i hurry and slip the thing and bra on and the stockings, Im back on my knees in front of you, I grad a hold of your ass and start kissing your tummy, my hands grabbing up and grabbing your tits and you lean over and.