I saw something late last night that caught my attention. Just like it would any good little slut. I was at the gym and had been working out pretty hard. By the time I was done I was so sweaty and sticky. I wanted to take a shower. I went into the girls’ locker room. It was really quiet in the gym so I wasn’t too worried about it being crowded in the locker room. As I got closer to the back of the room, where the showers were, I started to hear some faint moaning. My pussy instantly started get wet. I love watching people fuck. Yes, I liked to join but I really loved watching, especially if they don’t know they are being watched. An older man had a girl around my age leaning against the shower wall. He was pounding the hell out of her. He had one hand on her mouth and the other on her waist, slamming his dick inside of her. It looked like she was cumming every single time he went deep in her. I leaned against the wall hidden, and started rubbing my pussy to them fucking. I kept up my pace with theirs, hoping to cum with them. I was getting so close to cumming when I heard him say he was going to give her all of his cum deep in her pussy. I started cumming at the same time she did. Soon after he was pumping his seed deep in her.