After the sun shattered, light was monopolized and human value was pressed into a piece of cold letters. He was born in eternal night, learning to talk to the darkness in the mud and surviving. It wasn't until a group of people who had been abandoned by the world gathered like fireflies and knocked on the metal door that had been covered in dust for thousands of years that they saw that the civilization that had been wiped out by history had only one line of inscriptions left behind: If the heart does not die, the source will never die.