After a tragic end to Yoon Gyeoul's life by her father, she unexpectedly awakens as Princess Mabel in the Ermâneau Empire. Faced with a prophecy declaring her the savior of the world, she becomes the empire's ruler at just one year old. Determined to escape this fate, Mabel strives to lose her throne but finds herself gaining loyal followers instead. Through her journey, she discovers the warmth of familial and friendly love, ultimately embracing her role in shaping the world's future. Will Mabel succeed in safeguarding the cherished world entrusted to her?