An erotic work depicting a schoolgirl in uniform indulging in anal sex with multiple men. It contrasts her initial, pure sensations when first experiencing anal stimulation with the intense pleasure she now derives from it. Her body grows increasingly sensitive through repeated sexual encounters, and this transformation further fuels her desires, deepening her obsession with anal stimulation. Her seduction within the confines of her uniform captivates viewers completely. Her cry—knowing she can never return to a time before she knew anal—is the ultimate conclusion of this film.