The 12-year-old boy entrusted his destiny to the dying nation! <br><br> Hercule is a boy who was raised as a successor to the declining Lemuria empire. Despite being crowned as the new Emperor of the empire, which is on the verge of being destroyed by the previous emperor, he has a secret that no one knows about...? <br><br> This is the story of a young emperor who becomes the savior of the Lemuria empire and the champion of the three continents.