I was curious about the short skirts of high school girls, hoping to see their underwear, when the skirt flipped up and I could see their underwear! I thought they were black panties, but when I looked closely, I saw that they were mini-tights that she was wearing to prevent her panties from showing. I was disappointed, but when I looked more closely, the tights were so tight that I could see her butt clearly! This was actually erotic! The high school girl started looking at me...