"Mary gulped but it soon became a moan as he gripped a tit in each hand and began to pull them downwards as if they were the udders of a cow.Sammy wat...hed with delight as she struggled on the ropes holding her, her body rocking left and right as she squirmed. He smiled and pulled a bit harder, keeping the rhythm steady, fighting the urge to stuff her loud groaning mouth with his cock.He wanted to see how much of this she could take.After a few minutes of torture, he stepped back and let go of. When I approached my door I could hear my father's voice mumbling something from his room."Daddy, are you all right?" I spoke softly through the closed door. More incoherent words followed. I found myself cracking the door open. "Daddy?" I whispered."Oh Mia," his voice moaned in the dark. He sounded so mournful, as though he were crying. I could hear his body thrashing about in the bed restlessly.Figuring he was dreaming, I approached the bed to wake him from this fitful sleep. "It's ok, it's. "Can I have a word?" a quiet voice said while George was busy gathering his notes.He looked up in surprise; he thought all the students had left.The question had come from a woman of about 30 who had taken the first part of the course last year. George quickly racked his brain, 'Christel was it? No Christina, yes, definitely Christina. Quite a good student too, but very quiet.' The interval was so brief that she didn't notice."Sure Christina," he said with a smile. "What can I do for. “Do what?” I asked teasingly.“Just make me cum!” she exclaimed.I removed her bra and panties and started sucking her nipple while slowly massaging the clitoris. Then I moved down and began tongue fucking her while rubbing her clitoris vigorously. She held my head with both her hands and rubbed her pussy on my mouth.I then put two fingers in her love hole and started finger fucking her while sucking on her clitoris. After a while, she grabbed the bedsheet with both her hands and started moaning.