Meet Masako, a mild mannered, small chested woman shunned one too many times for not being well endowed enough by the men she meets. One day, Masako decides that the small chested women of the world need an avenger, someone who isn't afraid to humiliate the large breasted women of the world. She becomes... the BIG BOOBS BUSTER. Champion of flat chests, buster of large ones, our feisty heroine proves to the world that bigger isn't always better.