The Strongest Raised by Dragons

Iren is a human child raised by the most powerful race, the Dragon Kings. One day, the Dragon King tribe decides that the plundering of mankind has gone beyond its limits and gives Iren a mission to determine whether mankind should live or perish, and decides to enroll him in the Royal Academy, where children of the elite class attend. His classmates, still unaware of Iren's mission and true abilities, treat him as a country bumpkin and a commoner, but...!