The heir of the Kingdom of Wisler, 17-year-old Princess Minerva, lives a carefree life while disregarding her studies and the proper etiquette for someone in such a high position. One day, she impulsively gets the idea to start hiring bodyguards from an upcoming martial arts competition. So when a rowdy group of potential candidates arrive for the event, Princess Minerva hopes to recruit anyone that piques her interest. At the same time, however, an evil magician named Dynastar has her own plans for the competition, which might just complicate matters. [Written by MAL Rewrite]