Meeting my new mistress for a quickie (f/f)

[I hope this reads clearly. I got so turned on remembering this that I had to touch myself while I wrote it, and on my phone mind you! Oops.;)]

I'm a 23 year old red haired, tattooed, chubby woman and for a while I've been looking for a female FWB. A few weeks ago I finally have a Tinder match with the most gorgeous woman I gave ever seen. Stella is 29, long black hair, 40DDD, pierced nipples, tattoos, and an ass to die for. We got to talking and learned that we both had tons in common. We like the same foods, hobbies, and most importantly have the same kinks. I love rough sex and I'm a total sub. Once she found out that I was dying to submit to a woman, she was all on board to make me her little dirty whore.

It turns out she only works 3 blocks from me and she decided to use this to her advantage. On Wednesday I get a message from her that reads, "2 pm Friday. Parking garage on 3rd. You will wear a skirt, no panties, your plug, a sweater, no bra. Oh, and no touching your pretty pussy til then." I spent Wednesday and Thursday squirming and soaking wet in anticipation. I had no idea what she was planning but I couldn't wait.