Des:When it gets cold, the high school girls you see on the streets start wearing black stockings. The naughtiness of having bare legs disappears, but the inside of the uniforms skirt becomes irresistibly naughty. In Stair School Girls, the naughtiness of such black stockings is attracting a lot of attention. We have taken plenty of close-up shots of the inside of her uniform skirt as she climbs the stairs. The panties of the girls in uniform that can be seen through their black stockings are very revealing.