Risky masturbation

You decide to make it a bit more thrilling for yourself:

"New Rule: The Owner of the Rulebook will luckily not get caught during any sexual act unless she wants to, but she doesn't remember this rule during the act"

"New Rule: The Owner of the Rulebook has unresistible sexual urges throughout the work day"

You enter the office building wondering when the rule will kick in and it definitely doesn't take long: you have just reached your desk when you feel your pussy wetting, in a couple of minutes a puddle of juices has formed between your legs, without realizing it you slid a couple of fingers inside your panties and you are now stroking your clit.

Sabrina, your boss, enters your office and you start panicking as you realize that you cannot stop masturbating, "What if she notices?" you think to yourself.

"Have you finished writing up the report I asked you last monday?"

"Ehm, almost, I was just reviewing it to make sure everything was ok, I'll send it to you this morning"

"Well, I'm already here, so we can go through it together"

You think about an excuse, but Sabrina has already picked up a chair and is sitting down next to you. You are flushed red in embarassment, if she just looked down she'd see your bare pussy and your engorged clitoris.

"Do you also hear this sound? Like water sloshing around?"

"Uhm, yes, they told me it has something to do with the plumbing, nothing to worry about tough" you swiftly reply.

You procede to go through the document while panicking every second about your unquenching sexual appetite, as the minutes go by an orgasm starts building up. "This is really bad" you think to yourself "If I squirt here there is no way she doesn't catch me".

The fear isn't slowing down your hand though and you keep pumping your fingers in and out, arched up to scratch against your G-spot, you feel your whole vagina pulsating. You can't stay focused on the report, because your pussy is now demanding your undivided attention, you are now panting but Sabrina still doesn't notice anything weird.
As you feel the orgasm almost exploding you slow down a bit, savoring the thrill and the pleasure, at this point your rational mind is gone and a crack in your carefully worded Rule becomes evident: as your fingers scrape the walls of your pussy you look at Sabrina and you don't feel fear, instead you yearn for her to fuck you. This was only a fantasy, but it's enough to break the rule's condition: you want her to catch you and so she does, she looks down under the table and sees her secretary's pussy wide open, still gaping from being fingered furiously, squirting. You experience a long full body orgasm as the squirt drains your juices and your libido.

After a few seconds you regain your senses, realize what you've done and look at Sabrina