After a red meteor crossed the sky, human civilization came to a standstill. From that day on, people could no longer manufacture a rocket, a nuclear bomb, an airplane, a car... The civilization pyramid built by modern science collapsed with a loud bang, and the disaster was far more than that. The gray world, with the arrival of a red meteor, resembles a ghostly reflection behind a mirror, dragging the civilized world into a disorderly abyss. In this era, human life is as insignificant as dust; In this era, humanity shines like stars. The building is about to tilt, and some people see a performer standing on the ruins of civilization, with a red robe like blood, laughing and crying at times. The curtain of the times slowly opens behind him, and he opens his arms