My Inner Demons: The Rise of a Devil

Humanity has been driven to the brink of extinction by Titans, man-eating monsters who crave flesh. Y/n has always desired to see the world beyond. The only way to accomplish that desire was to join the scout regiment, so that's what he did. Little does our hero know, the secrets of his world are far bigger than he could ever imagine. Unfortunately, the world beyond the walls wasn't what he hoped it was.