Past, present, future!
In the year 2020 according to the ancient calendar, the end of the world has come.
There was a loud noise, and a tragic song of human survival played on a blue planet.
A cruel and powerful alien race, a human nature in which good and evil are indistinguishable. The military spirit of protecting the country and the people evolves every second.
A future without a future caused Shangguanmian to lose all his courage and fall into the abyss of despair.
When the gods give Shangguanmian another chance, can Shangguanmian pick up the lost courage and change the future that has no future?
The story of a tsundere girl with a cold face and warm heart who is reborn before the apocalypse and leads her friends to survive in troubled times.