Princess Alita is tasked with defending her kingdom against a coup d'etat. However, while traveling to seek assistance, a magical accident confines her within the body of a bounty hunter named Falis. Consequently, Alita is forced to govern in disguise as a servant, while the combat-experienced Falis occupies the throne in her physical form. This marks the beginning of the tale concerning the most powerful and violent princess in the kingdom's history.