The System said: There's a madman among you. Find him.
Guess wrong, and you lose a life. Guess right, and someone disappears.
The System said: If you don't search, everyone will go mad together.
Forty-one people, fourteen days, three patients.
Chen Yanqing has only one weapon:
He's less afraid of making mistakes than the System is.
But the scariest thing about the System isn't its rules. It's...
You. Is it you?
A psychological slaughter disguised as a “game.”
You think you're the hunter, but you're really the prey.
You think you're looking for a madman, but you're actually becoming one.
