National Fate Survival: My Homeland Is Just a Little Bit Huge

On parallel-world Blue Star, the population surpassed 20 billion after the planet entered the 23rd century. As humanity's plans for interstellar migration repeatedly failed, Blue Star's resources neared exhaustion, and civilization faced the threat of extinction. Blue Star's consciousness sacrificed itself to secure humanity a “hope” of keeping its civilization alive. At the same time, a “soul” from Earth also arrived on Blue Star, setting out on the path of “survival” alongside Blue Star's “survivors”!

Humanity: “Once, we wanted to reach the stars. Now, all we want is to escape Blue Star!”