“You want to try him?” she asked, “Then get down herewith me. He has enough cock for both of us.”“Go ahead, baby. ”... Tommy said as he was rubbing hiscock, “You have been wanting it for so long. Now isyour chance. Go for it! Let him fuck that fat pussy ofyours!” I got to the floor beside her as I slipped my shortsoff and lowered my damp panties to the floor. I gotdown onto my knees as she was doing and watched her asshe reached down and took his. Worse, their bodies produced a protein that destroyed sperm with X chromosomes. The women had proteins that destroyed sperm with Y chromosomes. Many of the man and women were sterile since they were affected with both proteins. A very few men and women were able to breed with each other, but the children resulting from such coupling tended to be sterile. Very few children were actually fertile.The race was quickly dying out until they had discovered the portal to Crossroads. Investigations had. Dad supplied a couple of bottles of champagne and those arriving brought the liquor they preferred. Karen's study group was there along with Larry and Lisa. Francine and Dana had brought dates and were not staying too long.At the stroke of midnight, we all gave a toast and I got a great kiss. Then we all kicked back. Larry and Lisa were staying the night and Sumiko and Ayelen decided they would camp out on the floor as well. Since the old couch pulled out as a bed, we had room, but barely.After. So we got home and i went down to the bar and started making us some drinks, and when i came up these two horndogs are already making out on the couch and i had to tease them a little because they couldn't wait. I sat down and drank my drink and we all talked a bit while we listened to music and he kept looking at her pussy through her jeans. So i looked at him and said "you want to see that pussy don't you?" and of course he said yes so i said "stand up baby and give us a show" So of course.