William wasted his former life. Now, reborn into a world of high fantasy and magic, and raised in a remote, lifeless city by three members of the undead, he vows to do whatever it takes to live life properly.

In a city of the dead, lives a single human child. "I promised you. It's gonna take a while, but I'll tell you everything. This is the story of the deaths of many heroes. It's the story of how we died, and it's the reason you grew up here."