
Rejected by would-be lover Bando (Masakazu Arai) because he "hates flat-chested women," high school student Masako (Harumi Kai) decides to enact revenge on behalf of her fellow "washboards." Adopting a superheroine guise, she captures various large-breasted students, makes silicone moulds of their chests, and threatens to parade the mould in front of the whole town, unless they "stop seducing guys with those giant boobs!" After two successful missions (which the victims do not report to the authorities because, well, they rather enjoyed it), Masako almost meets her match when confronted by
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