This is my first story I've ever written so any feedback is definitely appreciated :)
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When I was in my second year at university, I was headed to the massive main library on campus with one of my lab mates. The building was ten stories high, with lots of study spaces on the first few floors, but after the third floor it was mostly just stacks and archives. Being the digital age we now live in, most students get their research materials through online databases, meaning these stacks often remained empty for long periods of time.
Once we got to our usual study spot on the second floor, I put my stuff down and decided to go use the bathroom before I got into my "study zone". Unfortunately, once I got to the bathroom, I was met with an "OUT OF ORDER" sign on the door. Frustrated, I now had to go find another bathroom, and according to the map of the library, the next one was on the fifth floor. Needing to go pretty badly, I practically ran to the elevators and repeatedly pushed the "up" button as if it would make the elevator retrieve me faster.
The doors opened, and I hit the button labelled "5". The elevators had these huge mirrors, and of course, I had to take a moment to make sure I looked okay, because what 19 year old girl isn't self-conscious in public. My outfit was basic but cute, a plain skater style skirt and long sleeve t-shirt that did nothing for my small boobs. I sighed and thought to myself "no wonder no one wants to sleep with you".
DING! The doors opened and I scurried off to the bathroom, which was kind of hard to find among the rows and rows of books, but I managed. After I finished up, I started to head back to the elevators, but I must have taken a wrong turn left or right at some point, because I quickly realized I was in a new section of stacks that I hadn't seen on my way to the bathrooms. I started walking between the rows of books that looked like they hadn't been touched in at least a decade, when I heard some noise. Thinking I could ask this person for some directions, I started to head towards it, but quickly I realized the sound was... moaning.
I don't know why I kept going towards the noise, it was pretty obvious these people thought they were alone, but I was just so damn curious. It wasn't like I was going to get action anytime soon. I felt both hypnotized and embarrassed as I tip-toed towards the sounds. Finally, I was just one aisle over from this couple, and I made the a slit between some books so I could peer through at what was happening.
There, against the back wall of the library, was a girl being smashed against the wall by a tall man. She was facing the wall, and he had a hand over her mouth. Her pastel pink sundress was pulled down so her tits were being smacked into the wall as she was being aggressively fucked from behind. My eyes were wide, I'd never seen such rough sex before and for a moment I wondered if I should get the woman help. This thought was quickly replaced by a realization that made my cheeks feel flushed - I was incredibly turned on.
My hands drifted under my skirt where my panties were already starting to get drenched. As I watched the couple fuck - or maybe I should say as I watched the guy fuck the girl in the dress - I began to mindlessly circle my clit with my fingers. The man's hand switched from her mouth to her throat and he pulled her head back so he could kiss her. She kissed him back hungrily and then he stopped to rub their saliva all over her face. "Ew" was my first thought - but it was quickly replaced by jealousy. I started to rub myself faster and harder, this was too hot.