When I was visiting a place for my dry cleaning delivery, I saw the girl's miniskirt and panties. "It's a waste, so I'll take off what I'm wearing now," she said, changing her clothes right in front of me, and I got an erection. "My underwear got dirty because you looked at me with dirty eyes," she said, excitedly taking off her underwear. I couldn't hold it in anymore! As soon as my dick touched her ass, both of our sexual desires exploded, and we went all the way to the back there...