I Don't, I Should Be a Devil

[Doomsday survival + decisive killing + growth] The times have regressed into barbarism, and civilization has collapsed in decline. When the wails of pain are entangled with the aura of corruption, and when the cruel blood soaks into the fallen soul, this land becomes the most delicious hunting ground for demons... They revel in despair, dance with death, and everywhere they go, it is endless purgatory. The devil is never unknown in the sky, but may be the person next to you who offers "goodwill" when you turn around. In the apocalypse, the law has long been crushed into waste paper, and trust has become a fatal trap. Everyone clings to their remaining sanity and is in danger. Only the three words "survive" are the only goal engraved in the bones and blood... A figure in a brown trench coat stood at the city gate, facing the thousands of demons attacking him, and slowly raised a revolver. "Praise... Life."