Craving Sin

One of the girls leaned against the stall door, her shoes right in Helena's view. Oh god, she was so close! Fear was pumping through her veins like her blood, but that fear was quickening the thrusts of her fingers and strengthening the reaction she felt. Beneath her, the toilet gave the slightest creak from her shifting wait.

To Helena, it was like the roar of a buzz saw, but luckily, the other two girls didn't seem to hear it. She adjusted her position and kept going. She could feel it bubbling inside her, her next orgasm. Just a little more! A little more! A tidal wave of pleasure at last swept through her, making her whole body writhe as if she were suffering a seizure. But while her hand was over her mouth, her voice managed to slip through.

The two girls heard it, the small squeak, that human whimper. The girl leaning against the door stepped back and turned around.

"Hey, is someone in there?!"

For a second, Helena's mind shattered like glass as her whole ruined future flashed