Fit For The Role

The Hero and the Demon King. Two peas in a pod; like the Sun and the moon; like the Ocean and the Land. They keep each other in check, always making sure one another doesn't get too strong. But, well, when a Demon King isn't born after hundreds of years, and Heroes start sprouting out like crazy, what happens?

Hey everyone, I'm just going to say this; no writing schedule, no uploading schedule. Also, may lose interest in this story soon. Just a warning.