At this point, I was ready for sex, and that is when the door bell rang. I was struck by horror. We had to clean this up.“Amy? Amy are you there?”... was able to recognize the voice immediately. It was Lisa, probably the second most beautiful girl in the school. She looked a little bit like Selena Gomez, though a tiny bit cuter in a way. Her breasts were smaller compared to Amy’s but she had a nice slim body with beautiful black hair. She usually wore light blue which really matched her, and. Her clit sprang to attention under my finger as I rubbed her love button hard. She ground her hips hard against me and threw her head back. Her cunt was steamy-hot and I rubbed even harder.She grabbed my hand and pressed me into her harder as she came. She panted and groaned and bit my shoulder as she finished. By this time, my cock was ready to rip out of my jeans. I stood up and undid the zipper. She must have been really turned on because she never sucked a cock. Normally, she had one speed. With a series of excited moans and groans, Trish moved her cunt faster and faster over Stu's pulsing, throbbing prick. He began to lift his hips up from the bed, forgetting that his mother had told him not to move. He thrust his hips up toward hers as she pumped her cunt down over his bursting cock.Trish was humping up and down on her son's young, hard prick like a fucking machine. She clenched and unclenched her cunt muscles as she pistoned her cunt up and down on Stu's slick, rigid. But my master is a doctor; come in, and I will get him!”Bob brings his wife in. An older man comes down the stairs. “I’m afraid my assistant may have misled you. I am not a medical doctor; I am a scientist ... However, it is many miles to the nearest clinic, and I have had a basic medical training. I will see what I can do. Igor, bring them down to the laboratory.” With that, Igor picks up Betty and carries her downstairs, with Bob following closely ... Igor places Betty on a table in the lab..