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 ...ery 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 led them to discover that the sperm of men from Earth were resistant to the. Soon I was kissing her stomach and legs. She was enjoying herself and kept on reading the magazine. I opened her legs and found her pussy already juicy and dripping with desire. I loved her dark lips and beautiful deep pink hole I could not resist but to plunge my tongue into her and drink her juices. Again I noticed the contrasts between us. My white hands against her dark lips. I loved every minute and my growing cock ached to plunge into her. She came quickly and I was quite pleased with. She said that the secret, when you have such big boobs, is to do lots of bench presses to make her chest hold them up so round and so firm. They were natural but were so gorgeously perky they looked fake. No scar. They were real. She showed me her workout bona fides by using her pecs to gently jiggle each one up at will. I was insanely aroused. This girl was also an exhibitionist and, like me, took care of her money-making assets!She was on me leaning on her elbows but here face at cock level.. She had been having a drink alone in the bar after the dinner when he approached her. That had been half an hour ago. Now, in his suite upstairs, the man was excited beyond measure by what he had found under her dress. It had further thickened and lengthened his cock. He had then gently placed her on the sofa, stripped off all his clothes except his open shirt, and Em had seen his thick long cock and his dense curly bush, trimmed into a powerful triangular shape, just above it. This in turn.