Vera, the true princess of Starfall Kingdom, disguises herself as a common apprentice to enroll in the Beast Tamer Academy and avoid royal school. Hoping to study quietly, she faces Selene, a fake princess who steals her identity and frames her. With royal blood that lets her communicate with all beasts, Vera outshines her rival in beast trials, the Phantom Sea Secret Realm and beast tamer conventions. She forms a soul bond with Dusty, the ancient Emperor Moon Abyss Sacred Beast. Rising from a school underdog to a battlefield commander, Vera exposes the fake princess’s plot. Standing beside Dusty, she defends the kingdom and becomes a royal guardian of the highest rank.