Daddy heard me grumbling and asked if he could help."If I intend to graduate in June, I'm going to have to be able to pass the math exam and I can use... all the help I can get," I answered. He sat down next to me and looked over my shoulder at the book. I noted a slight frown on his face as he thumbed through the pages."Exactly what is it that you don't understand?" Mostly ... well, everything." Show me what you do know. Let's take a problem and see if we can solve it together using the book for. The poor girl didn't know what to do. Her hands batted feebly at me now and then and her mouth whimpered little pleas.I licked a trail down her neck to her titties. She actually had nice little titties. They were small and cone shaped, with hard, pointy little nipples. I sucked at them as I squeezed and rubbed my hands over the tender flesh.My mouth trailed down over her stomach, past her abdomen and through a thin little covering of reddish brown hair to reach her juicy pussy slit. I forced. Pulling and pulling until I felt air was turning off. It was scarce while Gabriela entered and left my pussy with her rainbow strapon. My body finally betrayed me, my lust exploded overstimulated: I was a chaos of physical and mental sensations. As I was a bit ahead of suffocation, I began to moan with lust and then with fear. The two of them moved furiously against me, degrading me in my defenseless condition: "bitch, bitch, bitch, puta, putita, eres mi putita", said Gabriela, as they both. "In fact, I thought they looked so good that we wouldn't use anything else tonight," Liam said, eyes kindling with a fresh light of anticipation. "Are they adjustable enough for that?" Cynthia asked, half- doubtful and half-challenging. "You know how...elusive...I can be." "Sure I know. But I'll make a bet with you, Cindy. I won't use anything else - other than a suitable gag, of course - and if you can wiggle out of them you get to script all our bondage games for the next four months." "And.