This happened when I was about 14-15 years old I'm not sure which.
Grade7 Right when puberty kicked in and MAN ALL THE GIRLS.
Anyhow. There was a speaker coming to our school and so we went into the gym. Row by row the classes there were two grade 7 classes and I was behind the first 7th graders.
A girl was in front of me and she was cross legged and bent down a bit so you could see her panties! I couldn't stop looking! Then the girl (we will call her 5)Turned around to pull up her pants, and saw me looking. I didnt she her reaction because I went out of gaze and pretended nothing happened. Later that day we had science and 5 was in my class! AND WE GOT PICKED FOR PARTNERS FOR A LAB! I couldn't belive this! Later we where running behind and she had to come over after school. We where walking home together over to my place (my parents where at work for 3 more hours) And right when we got in she said 'I know what you where doing.' Then she said, 'And to tell the truth, it really really turned me on. I had to go to the bathroom to master....' I was VERY SURPRISED! This hottie was well heh...
She asked me if I wanted to do it I said, 'yes!' before the question was done. I'm not going to tell you what happened all I could say is that, that was the best ever *wink* Later we grew up and she is the one I married and is watching me type this now.