human civilization has stepped into the age of interstellar colonization, and the "space-time folding technology" has become the core resource contested by all nations. Excessive abuse and experimental out-of-control of this technology have triggered a global "space-time rift storm" — irreversible cracks have appeared in the cosmic space-time barrier, and space-time fragments from different historical periods have been forcibly torn and fused, finally converging on Aetla, a forgotten interstella