She was fingering herself when I opened the bathroom door. Facing away from me, she was leaning against the sink with one hand. Her purple skirt was hiked up over her hips, and her other hand was plunged down the front of her panties.
In the mirror I saw her eyes pop open in surprise when she heard the door open. Before she could say anything, I stepped in and locked the door behind me.
Our office has two bathrooms. One is by the front desk, and one is down the hall we share with other businesses in the building. It's a bit further away, so most people don't use it.
When I turned back from the door, she was tugging her skirt down. Her face was bright red. I wasn't sure if she was more embarrassed to have been caught in the act, or that it was me who caught her.
Three weeks ago, we had hooked up after an office happy hour. The next day, I wasn't sure if I should call, since we had both been drunk. By the time I saw her in the office on Monday, it was super awkward. She didn't say anything, and in the end I took it as a signal that nothing was going to happen. I tried to give her some space, but seeing her like this filled me with lust.
She started to say something, but her voice trailed off when I took her hand. Her breath caught as I placed her finger in my mouth and swirled my tongue around it, tasting her pussy.
I stepped closer, pressing the small of her back against the sink. I let go of her hand to grab her hips and grind into her. As my leg pushed between her thighs, she licked her lips, but her eyes were wide with uncertainty. I started kissing her neck, working my way up to her ear, and she let out a little moan.
"Why don't we finish what you were doing when I came in here?" I asked. She nodded and turned away from me, leaning against the sink again as I pulled her skirt up. I knelt and slid her panties down, helping her step out of them. I could see the remainder of last summer's tan line on her ass.