This happened about 15 years ago during a short period where my high school girlfriend was my ex. A little background: we were together for about 2 years in high school before deciding to break up with each other so that we could go off to college unattached. She was about 5'7", white, brunette, between a C and D cup at that point and had a little bit of curves which I liked. I am 6' and tan.
We had been talking here and there over the first few months of college but only had seen each other once when she came to my school to visit a girlfriend and it was awkward because it was the first time that we had seen each other since the break up. That initial awkwardness faded and we continued to talk more and more but that didn't stop me from partying and hanging out with girls in my dorm. Eventually we decided I would visit her school and stay the night with her where I met some of her friends including this guy that she had supposedly liked but I didn't know that when I met him. We fooled around a bit and decided that whenever we saw each other we wouldn't object to more hookups.
Then the night after Halloween she had texted me that this guy she had liked abandoned her at a party and she felt humiliated because he left with someone else and that she was telling me when she didn't have to because we weren't together anymore. What I didn't know at the time is that my best friend, who was also my roommate, had been telling her that I was hooking up with girls in our dorm so she felt like I had moved on. I reminded her that we could always get back together but I needed to see what else was out there for me. She made up with the guy and they were all good. Which brings me to the point of this story. The following weekend was a long one because of a holiday so I decided to go home so I could get away from my roommate and see family. She also had decided to go home and brought this guy with her to spend the weekend.
I had my house to myself and when she said that she was hanging out with this guy and her neighbor I told her that I was alone and she should come over. At first she felt bad leaving him alone with someone she just met but eventually she decided to come over. After about 10 mins she showed up at my house and we went up to my room and before I even shut the door she was all over me. We start to make out and strip off our clothes, then she pushes me back onto my bed and grabs my dick and starts to lick it.