A schoolgirl in a parking lot plays a prank, showing off her sweatpants and getting aroused. (SW-559)

I saw female students parking their bicycles, and when they got off, their skirts were exposed! I thought I could see their black underwear, but they were wearing sweatpants! They weren't shy at all, and even had a prankster's expression on their faces! But when they saw me staring intently, they got excited too...