Dragon King on Dung Duty!

Synopsis

Slave boy Kyle and his mother endure humiliation on a noble dragon ranch. To save his wounded mother, Kyle enters the Royal Dragon Knight trials—and his black scales, branded "evil dragon," are exposed. As the Dragon King's mark awakens, he discovers his true bloodline and exposes High Priest Byron's conspiracy. Kyle transforms into a golden dragon, defeats the evil Dragon King, clears his name, punishes the cruel nobles, and becomes the new Dragon King.