The protagonist owns the system space
The protagonist has space and can upgrade
Build a force + Not the Holy Mother system] + [Build a force] + [Not the Holy Mother] + [Kill decisively]
Long Wen, who had been struggling in the apocalypse for ten years, was suddenly killed by his beloved, but unexpectedly returned to the month before the apocalypse broke out.
In the face of disaster, he relies on the experience of his previous life and hoards supplies.