Bent back against the green mat with her skirt hiked up, the silver-haired cougar works two fingers deep into her pussy while her other hand grips the edge. Thighs trembling, she bites her lip and arches her back, thighs parting wider with every pump of her wrist. The quiet classroom setting makes the wet squelching sounds even louder, her belly trembling as she pushes closer to the edge. What kind of student forgets to lock the door?