The truth of the universe has long been revealed
The end of the universe has already been decided
There are no treasures or decryptions waiting in the future of the universe.
Endless war fills every corner of both time and space
The number of people and areas of the war will increase exponentially with the universe and subspace, and it will never stop.
Is there any way to survive alone? Yes, but your civilization is not up to par
Concept: Half-hard but not soft science fiction, where there are people who take risks and people who protect them. I don't like to be scolded directly for the content, but I can bear it.