She’s in an awfully exposed position for that belt spanking. How angry is her mistress? Did she do something naughty with that pussy and somebody else? Will her mistress make her scream?
So many questions, no answers. From a defunct Tumblr.
"...the girls are prepared in the reformatory’s punishment room, naked, lying on their backs on special benches, bound with their legs spread above their heads, shamefully showing the two holes usually hidden..."