Seeing a girl's panties when she climbs stairs is just lucky, right? The soft, plump thighs hidden deep within her school uniform skirt. It's just panties, but if there's an erotic element when you see them, you can't stop fantasizing, right? The natural curves of a thong also stand out. Transparent panties are also erotic. And the panties that outline the shape of her private parts. If it's a schoolgirl on the stairs, you can see her erotic panties under her school uniform skirt.
