Namia Loapi, an Imperial civil servant of the Empire and the lowest-ranking official in a dead-end department. One day, she realizes she has been reincarnated into a book and learns of a bleak future where the Crown Prince is assassinated and an imperial war breaks out. If she gets caught up in the war, it's the natural course of events for an insignificant extra like herself to end up dead! Ultimately, she decides to prevent the assassination of Crown Prince Kiaros, the event that causes the war... However, as she struggles hard to twist the original plot, she finds herself on a super-fast track for promotion and success, inadvertently becoming the youngest minister. Furthermore, the more she changes the future, the more she gets strangely entangled with the Crown Prince, with whom she originally had no connection...?!