Plus, it hold you up if you get too tired to stand. Sorelax. You're my project until I'm done with you, and I am not.Besides, I don't want you to fa...l of the pedastool." Eric apparentlymisjudged his girl's determination to get the best grade for her work.Eric was beginning to sweat. Not like earlier, but really sweat. Hismuscles began to ache, too, and he wondered if she was going to be donesoon and cut him out. She said it would only take 2 hours - max. "Well,it's been longer than. When I looked into their room Sandra and Jenny were undressing and I held my breath. Both had cute white cotton panties. Jenny a white bra, while Sandra had a pink. They both took them off and their boobs were in clear sight. Small hard nipples on top of full round breasts. I sighed as my dick grew hard. Then Sandra moved closer to Jenny and they kissed softly caressing each other’s backs and asses. Slowly they fell onto the bed where panties were taken off and right before my eyes they began. “Look at her cunt” she ordered me.“ Watch your sister wank you” she continued.I looked at my sister naked on her knees, her pert young breasts pointing out and her hand gripped around my cock wanking me hard.I moaned and grunted as pleasure of her masturbating me took over my senses. I no longer cared that these evil antagonists were watching my sister work on me.I felt the mounting orgasm in my body and was lost in my own sexual pleasure and strangely also the knowledge it was my sister. "Awkward..." I said. I was struck by something unexpected. He reached down for my hand and put it on his pulsing cock. Wow! It was the best thing I felt so far. It was rock hard, but yet it felt so smooth. One thing that was for sure, was that it was huge. "Like it?" He asked smiling. I could only manage a nod really. "Suck it," he commanded. I was stupid enough to give in, as he pushed me down by my shoulders, and I came face to face with Jake's cock. Slowly, I took it in my hands and started.