My roommates and I had intended to have a small party that night, but more people showed up than we had planned on. One of those people was my ex-girlfriend, Mary. The night had gone well, and it hadn't been awkward having her there at all. It was a pretty standard party, some drinks, some laughs and good conversation into the early morning hours. When people began crashing and trying to find a place to sleep, it quickly became apparent that more people would be staying than was normal and some would be sleeping on the floor. People began to head out to their cars and bring in their sleeping gear.
"I put my stuff in your room," Mary told me, and I frowned. Don't worry," she said picking up on my reticence, "nothing will happen. I am on my period anyway."
I rejoined the party but I was distracted. I was also a bit drunk. My mind kept wandering back to Mary, and the fact that I knew she would be intending to sleep in my bed. I didn't want anything to happen, but we'd also always had strong sexual chemistry. While intercourse might be off the table, that didn't rule out other things. Thinking about that led be to think about sex we had while we were dating.
I thought about when we fucked doggie style in the middle of my living room floor. Then I thought about the time we left during the middle of a party and went up to my room to have sex. I thought about the time we fooled around in my bed when a husband and wife couple we were friends with had crashed on my bedroom floor. I thought about the first time we had sex after she had her nipples pierced. Then I thought about all the sexy text conversations we had had and all of the nude pictures we had exchanged, including some that her cousin had taken of her. We had definitely had fun and exciting sex life.
All of this reminiscing turned me on, and now I wanted to jerk off before bed. Not that that was a rare occurrence. I had been jerking off at least once a day since I had been single, usually twice. I had a fairly high libido. I had to talk to Mary and have her crash somewhere else so I could.
"You can do what you've gotta do," she told me when I broached the subject with her. "I don't want to sleep on the floor. Besides, I've seen it all before."
My heart jumped in my chest. She had seen it all before? So she was just going to be in my room, or was she intending to watch me? Probably not, I guessed, but the idea sent my arousal into overdrive. Suddenly I couldn't wait until everyone went to bed. The end of the party passed in a slow blur.
Mary was already in my bed when I went in. She was lying on her back, under the covers, looking down the length of my bed at the wall with my computer desk and the bedroom door. I closed and locked the door and sat down in my computer chair. Mary could probably see my monitor screen, but wouldn't have a view of me because of the tall back of my chair.
I opened a browser window, my heart pounding; I had never been so turned on just to masturbate before. I had never jerked off in front of anyone before either. My cock was rock hard and straining against my pants. I had an urgent and insistent desire to get started, but I also wanted to make this last. I could practically feel my ex-girlfriends gaze burning into my back from her vantage point on my bed behind me. I placed my hands on the keyboard and began to type in a website address.
I slid down my pants and underwear in one move, my hard cock springing up and ready for action. Then I took my lube out of a desk drawer, squeezed some into my left palm, and spread it over the length of my dick. The large purple head shone in the light of the monitor as slowly stroked the full length of my dick. I used my other hand to navigate webpages looking at different porn sites and videos. I stopped on a website devoted to thong panties and watched a tan, dark haired girl do a striptease.
