She turned and walked out the door as it slid open. I watched her walking away and noticed the wet spot she had mentioned and was surprised by just how large it was. I watched her until she disappeared into the crowd and then I turned back to look at the seat she had just vacated. There was an unmistakable wet patch that seemed to cover almost half the seat. Holy crap, she had cum a lot. My panties were a wet sticky mess as well, but this was something else, it was something quite exciting.

The train began to move again and although I was now alone the feeling...