Big Boobs Buster

Rejected by would-be lover Bando because he hates flat-chested women, high school student Masako 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! (dighkmovies.com)