Echoes of the Demon King

In ancient times, demons and humans raged wars against each other with both sides suffering major losses. The humans had heroes who are born once every generations. These special humans that are given the title heros are unmatched in magical prowess and physical strength while the demons have their immortal king that can reincarnate limitlessly.

For thousands of years the two races fought with each other until the king of demons was defeated for the fiftieth time and showed no signs of reincarnating later on. hundreds of years passed and humans managed to drive the demons back to their continent and finally won their three thousand year war with the demons.

But five hundred years later, a demon boy was born in a human village out in the boonies. Though he was a demon the humans there was welcoming and care not for his race and treatewd him as their own. This boy grew to love them for they are the only family he knows since his parents died when he was only an infant.

This child will later be regarded as the demon lord...