確固たる理念を持って勇者部うどん開発に臨む国防仮面達。だが、質素倹約を旨とする彼女らの前に立ち塞がったのは、絢爛豪華ワガママ不遜、チョメチョメ上等を地で行くあのダークヒロインだった！
Kokubou Kamen (masked defenders of the country) are trying to develop Udon with a firm idea. However, what stands in front of them, who aim at frugality and simplicity, is that dark heroine who is gorgeous, selfish, and irreverent, and who is always ready to chomechome!
