The source appears to be an anime.
I suspect for Roman Catholic boys with submissive and masochistic natures who attend parochial school nuns being punished by nuns is a common fantasy image.
Nun as Dominatrix: A Common Fantasy?
Those excessively large breasts don’t enhance the image at all do they?
Similar Femdom Art:
Mmmm…Domme Nuns!! They have been a fantasy since I saw a FemDom video back in the 80s with rubber-clad nuns delivering some excellent CBT on their victims ;o) Wish I could remember what the video was called
nuns femdom latex
Rubber Nun´s taking by force my confession.
My active repentance will be, ending up as their completely encased Rubber Playdoll.
Well conditioned in any thinkable aspect.
I yearn to get taken to their convent and to be forced to confess
Actually Tibetan nuns…