The Five-Year-Old Failure Is the Strongest Dragon Rider — Episode 17

Dragon Emperor Isorn works himself to death building an empire, then is reborn as Ian, the Valerion family's beloved five-year-old. Wanting an easy life, he hides his unmatched power and plays the useless child. But when herald Lether brings a forged decree to destroy his family, Ian exposes the lie, awakens an ancient dragon, and strikes back.