·Core worldview: The world did not end suddenly, but slowly "sinked into eternal night." Today, there are only two things left on the earth: the "abyss" and the "city" struggling to survive in the "abyss". "Abyss" is not an entity. It is a pervasive and corrosive "regular field" that can distort physical laws, tamper with cognition, and breed grotesque existences called "eclipses." Human beings huddle in the shimmering city that relies on the "source fire stone" to drive away the "abyss". But the "Source Fire Stone" is not eternal. Its fuel is specially processed human memories and emotions. The more vivid, hot, and precious the memory is, the more efficiently it is burned. In order to survive, people must regularly "turn over" the most precious part of themselves, gradually turning into an empty shell. Hope and humanity have become fuel that must be consumed to maintain the survival of civilization.