After the sudden death of their father, who was the owner of the shop, the mother and her three daughters face the threat of closure—until they decide to reinvent themselves as an "Ultra Perverted Maid Slave ● Tea House." Donning extreme fetish outfits featuring pantyhose over the face, nipple clamps, and poppers, the daughters take control in a wild SM show, mercilessly training their mother. Following a lewd song performance filled with obscene chants, a creampie sex slave ● auction begins, unleashing a full-throttle, utterly depraved, insanely lustful, and outrageously erotic spectacle.