If you are looking for a porn story this is probably not it... while I include some sex it is not a detailed description of heavy breathing. It's just a fond memory of the first time I fucked a woman and thought she might be submissive.
I knew M was attracted to me. I was horny and wanted a woman so I figured OK, I'll go to dinner with her and see if she was still interested in me sexually. Now that we no longer lived with each other I could lift my "No Sex with a roommate" rule. If it didn't work I did not have to deal with her daily and could back away easily. If it worked I could enjoy her with little commitment. Maybe. I was not really sure if she was still interested now that I had moved out.
We had lived together for a year while we attended grad school. When I first moved in I knew I could have her but I did not want to be tied to one girl or get into what would almost look like a marriage. She was a plain girl, 5' 6" with lank shoulder length thick black hair, slim with tiny breasts but not a hardbody, just thin from not eating a lot and watching her weight. She was also awkward socially. She'd had speech therapy and it seemed that her tongue was a bit too big for her mouth. Generally she was OK to be with but not exciting, slightly shy and dressed conservatively as befitted a psychology grad student.
The first day when I moved in we ended up necking on the couch. I stopped it and set a rule - no sex with a roommate because if things go badly it creates a difficult living situation and could sidetrack our studies at a bad time, like finals. I knew she was interested even as she watched me date and go through a few short relationships with other girls. One time, I was watching late night TV one time when she came home drunk from an office party and literally threw herself into my lap, hugging me and telling me what a nice person I was. I was tempted to fuck her right there but I felt it was dangerous for the living situation. I would also feel guilty since she was drunk. Yes, I'm a "nice guy".
So we spent a year living together without having sex with each other. She never dated anyone while I dated serially. We had the normal minor issues with dishes, cleaning etc. but generally we got along peacefully. Then I got a job offer that I really wanted to pursue but that meant dropping out of grad school. The job was 20 miles away so I moved out. We were still friendly and had met for dinner once just to keep in touch. Now it was time to see if that sexual tug was still there. I did not think of her as girlfriend material but wanted to see if I could get my rocks off on occasion while I kept looking for my next girlfriend... with a more than full time job and mostly men around me it might take a while.
We met for dinner at a diner near her apartment. She wore a white blouse and brown cheap fake leather skirt that was below her knees. Typical functional and acceptable but not sexy clothing. It seemed a little formal since I considered myself an old friend but it told me she thought this was a special dinner. The conversation was the usual catching up on the progress of her Ph.D. studies and subsequent plans, my new job, etc. She asked if I was dating anyone currently and I admitted I was not. I'm not good at catching openings but I was horny. I felt like Groucho Marx as I raised my eyebrows and said: "You know we are no longer roommates...we could go to your apartment and have sex."
"Yes, we could." She said with what sounded like relief and enthusiasm, but then she seemed to focus on eating her pasta for the next few minutes.
When we were done with the main not so memorable course I bluntly asked: "Would you like to go to your apartment or would you like to stay here and talk more over some dessert?"