I started to kiss her and moved from her stomach to her thighs and went down on her, she was pulling my hair lightly and moaning, she was begging me t... fuck her pussy but I wanted to make her orgasm with my tongue. I could feel breathing getting heavier and her body was ready to climax, within moments she had an orgasm. All the moaning, hair pulling, heavy breathing made me hard again and I got on top of her and realized that I had not paid enough attention to her lovely breasts; I was sucking. Over the last few hundred years, their females had been slowly growing sterile.All their scientific knowledge couldn't stop this and finally all their females became sterile and no longer capable of producing offspring. Trying to reproduce strictly through genetic engineering wasn't a solution and their very DNA started showing signs of inevitable decay. So these hybrids would eventually produce a new race and provide a way for their civilization to go on, although in a different form.When. "I demand, "Then Yasmeen, you must be quiet so I can concentrate."I open up my field surgery kit, initiate an IV in Zarika's uninjured arm and Ms. Donaldson queries, "Masha, can I help?"I respond, "Yes you can be my surgery assistant." I reach in the bag, pull out a bottle, hand it to Ms. Donaldson and command, "Use this to sterilize your hands."She laughs, "I should have known, it's vodka."She takes off the cap, takes a drink then sterilizes her hands. I finish the IV, look at Yasmeen and. And finally, I decided to fuck her. Whatever it takes, I want to fuck her. She was making me mad with her beautiful body.After a few days, I came to know that she was a divorce. And she lives alone with her small baby and an old mother-in-law. Slowly, I made friends with her. Sharing meals became frequent. But my hunger for her was growing and growing. Then, one day, I was sitting in her home.I was playing with her kid and she was cooking. I went to the kitchen with her baby and was talking to.