Minerva, the 17-year-old heir to the Kingdom of Wisler, leads a carefree existence, neglecting both her studies and the etiquette expected of her high status. One day, she impulsively decides to recruit bodyguards from an upcoming martial arts tournament. When a boisterous group of hopefuls arrives for the event, Princess Minerva intends to hire anyone who catches her eye. Meanwhile, the evil magician Dynastar has her own schemes for the competition, which could complicate things.