"The Red Oath" vs "Wonder Three"!? A fierce battle with ancient dragons, protecting the country, and the splendid fights of the girls! A magnificent showdown for everyone's happiness! Mile, a high school girl, has been reincarnated into another world. Due to a misunderstanding by the goddess, she becomes the strongest magic swordsman with 6800 times the average magical power and joins the all-girls rookie party "The Red Oath." As young hunters, "The Red Oath" continues their training journey, but they end up causing various troubles. Having infiltrated the neighboring country, the Albarn Empire, just before the war, Mile and her friends find themselves fighting against the strongest warriors and leaders of ancient dragons!? The greatest battle of "The Red Oath" begins! Meanwhile, in the baron territory at the border, a life-threatening crisis is also approaching the boy Kelvin... And thus, a full-scale confrontation between "The Red Oath" and "Wonder Three" over Mile unfolds!? This is the highly anticipated latest volume, featuring significant additions to the web version and including the newly written "We, the Exclusive Nanomachine Squad!"