Edged to madness

Aww, has my new toy been pushed to the edge with no way to help herself? What a shame.~

You tie her up tightly and relentlessly tease the most sensitive spots on her body... before long, she's a desperate, squirming mess, her member throbbing and twitching at full mast. If she weren't tied up, she'd finish herself off right now... but all she can do is whine and moan as she tugs at her bonds and humps the air uselessly, seeking any kind of friction to push her over the edge.