” At the top of her voice and blasted her cum all over my hand and wrist. That proved to be the trigger for Carol who spasmmed with a grunt and a ho...l. It was time to rest. We all desperately needed to catch our breath and calm down after such frenetic activity. Within minutes, Carol was dozing, lying on her side while Denise lay in the crock of my arm, her tousled hair tickling my nose. “Do you do this often?” She asked her voice little more than a. I thrust slowly in as deep as I could into the smooth depths of her belly and she then gripped my shaft using her pelvic muscles which made my withdrawal so much more pleasurable for both of us. I then thrust again, again and again each time she repeated her gripping technique until I could feel the tell tale signs of an approaching orgasm building deep in my balls. With a final thrust I ejaculated as far up her as I could and released my little swimmers to do their pre-destined work. I held. About to think that she had lucked out, she gagged as the ribbons merged with her skin, turning into tattoos. It wasn't the sensation of them merging with her that had nearly brought her to her knees, but what happened on those lines. Invisible ropes bound her, following the pattern of the lines etched into her skin. They were so tight, digging into her skin and making it hard to take full breaths. Her breasts were being squeezed as if with zip ties, while one segment of the rope went between. The principal was exhausted. He would have liked to have had a third bout with the lovely young woman before him, and he was now regretting that he masturbated in the booth earlier… Damn! Drained too soon.He wanted to release her, but he was afraid that he would be caught. If she caught him, would he survive? Would he still have a job? His career? He wasn't so sure, and deep down he was a coward, so he dressed and decided to go home and get some sleep. He would release her in the morrow.