Looking at the mountain of flesh jiggling before your very eyes, you reach up, and place your hands on her large warm butt. A quick squeeze sent a shiver of pleasure through her as she finished explaining the task to the girl. She stood up, though remained where she was, as you still hand your hands on her. With one hand, you rematch up to the waistline of her leggings and drag it down her rear, leaving it to rest at the mid-thighs. She lets of a gasp as you knead her warm cheeks wig one hand, and undid your pants with the other. Pulling them down, you were just in your underwear, you pulled her into your desk and sat her on your lap. You sighed happily as her smooth warm flesh rested atop your legs, and you ground your throbbing hardon against her thong. She continued to teach the class from her new position, occasionally moaning and shifting as you ground against her. Next, you decide to...