The national destiny is bound to a copy of the echo, and the trial is broadcast live around the world. The three major reminders hide life and death, and are surrounded by terrifying ghosts. Only by restoring the truth can you survive. Five years after the dungeon was opened, all countries were destroyed, ghosts echoed around the world, life and death games were played, reasoning was broken, just to protect the homeland and resist the coming of ghost stories!
But gradually some people discovered that the so-called echo copy was never a simple killing, but a disaster that was covered in dust, and a never-ending cycle of echoes.
