Princess Isalene is the peace-loving princess of the Kingdom, and she has a problem. She has to choose a new personal guard after holding it off for so long. So, one day, despite hating violence, she goes to the arena. There, she sees a knight not on the list her father gave her. She is disgusted yet captivated by their graceful yet cruel fighting style and their strange morals.

However, Isalene soon learns that the knight is a she, and named Sharia, The Warmonger, a vicious war criminal who is too valuable to kill. Because of her curiosity, Isalene decided to make Sharia her new personal guard. What could possibly go wrong?

One is a sheltered naive princess and the other is a cruel Warmonger who hates people like Isalene, yet even Sharia starts having a strange liking to her new "annoyance". But, can the two really get along? Well, in this budding time of war, they might be what the Kingdom needs.