The Black Sky Prison Chapter of the Endless World

There are no invincible humans here, no immortal protagonists, just a world where strong people live in compliance with the rules of the world. (I don't see the world for beautiful things, because the world coexists with light and darkness, so I never think that I am not involved in the dark side. Maybe people who are born in darkness will yearn for the light, and those who live in the light will inevitably see corruption and darkness...)