About a week ago, as I was walking home from school, I was asked by two girls from my geometry class, who came up beside me, to help them with some of the math problems. I reluctantly agreed to stop off at one of the girl's homes and called my Mom from there. However, after we were done going over the problems, the girl sitting on my right on the couch reached over and began to rub my legs and then my crotch through my jeans. I could feel myself getting a hard-on. She unzipped my jeans and pulled...