The "Naked Bacteria" virus is raging, and the end is coming!
The shadow of terror looms and the world falls into chaos!
Ruins are everywhere, smoke is filled, and ruins are broken. People are doing whatever they can to survive.
How does Li Yan hold on to his only remaining hope...
Purpose: Human courage, the influence of science and technology, the brilliance of humanity, the cherishment of peace and life, and the hymn of hope