This got me even more excited and I was rock hard with anticipation. She removed the towel and replaced it with a smaller towel that barely covered my...ass as she began slowly teasing my back, inner thighs and butt. Figuring the towel was useless at this point, I tossed it to the side. She took the opening to drip some oil in my crack and started teasing a finger through there. As her finger slid down, she teased my asshole with her oiled finger. That was a first for me but with the oil having. She needed him inside her so badly! He spun her around roughly. His cock visibly twitched at the sight of Charmaine’s naked ass bent over before him. He had spun her around to jam his cock into her, but now he found himself helplessly sinking to his knees behind her. Charmaine, expecting that big dick to force its way inside her, was caught by surprise when she felt his lips kissing her ass cheeks. He used his hands to spread them apart, massaging them as he kissed all over each of her cheeks.. Though it seemed my asscheeks had a pretty good grip on his cock. I rocked slowly, feeling my ass just now jerking his cock a bit as I did so. This only made him harder, and I could feel the head of his cock pressing at my hole. The feeling was actually inviting, I always thought Id freak out at such an encounter. Curiosity got the best of me and i started to slowly rock my hips, causing his cock to be stroked by my soft cheeks, and my puckering hold rubbing in rhythm against the head of his. There was a tap at the door. "Professor?"It was Mrs. Howell. He invited her in. She sat in his 'relaxing' chair, and he perched on his lab stool."What can I help you with?" This is rather awkward, Professor," she said, almost blushing."Go ahead. We're all friends here," the Professor smiled."It's about those yellow fruits Gilligan found last week."The Professor paused. "Yes? What about them?" I know what they do, Professor." She looked away from him, slightly embarrassed. "And I want to grow.