Faced with the sudden attack of the man-made virus, the once prosperous technological city turned into a deserted city in an instant. Hundreds of thousands of living lives, what annihilated them one by one. The heroes sacrificed their lives without hesitation to save the suffering people, but in the end no one knew their names and achievements. Whose fault is this? Whose original sin is this?
Purpose: Dedicating themselves for the benefit of the public, but no one knows their merits.