Neo Wrestling is set to dominate the world of sports with its new spectacle featuring Metal Fighters competing for the ultimate title. The Pretty Four, consisting of skilled girls Miku, Ginko, Sayaka, and Nana, are determined to defeat the reigning champions, Team Sapphire. However, their burnt-out coach Eiichi Suo presents them with unexpected challenges not only in the arena but in their everyday lives. To uncover the sinister secrets behind Neo Wrestling and Eiichi's true intentions, the girls must confront their idol, Aquamarine. Only by protecting their friends and uncovering the truth can Miku and her team understand the future of Neo Wrestling.