When the three glass city-states suspended in the sky began to bleed, the last utopia in the era of interstellar migration showed its cracks. Photon crystallization technology casts human souls into glass, but it cannot seal the poisonous fog of lust for power - the energy tower of the Glow Council is about to burn out, the black market transactions of the Mirror Chamber of Commerce swallow up the starlight, and the doomsday bell of the Prism Knights has already sounded. The surface echoes.