Run!

I dunno." Dennis said as the sound of people moving could be heard though every door.

Lauren looked at him in pure panic. Neck bulging, fear in her eyes. Then, as the doors to the classrooms began opening, she took off running.

Dennis blinked in surprise. He turned to watch her bolt with shocking, desperate speed. Her bare feet flapped on the ground. Her meaty legs pumped aggressively. And her ass...!

Dennis had caught a glimpse of Lauren's backside though her underwear. Several times in fact. He knew it was bigger than advertised, but seeing it now, fully bare... it was huge! He never would have guessed she was concealing such a big butt. It bulged off her small frame, shaking and jiggling wildly as she ran.

At that moment, the students emerged into the hallway...