Specially trained Artificial Intelligence robot troops armed with steel blades known as “NOIR” who ensures the citizens are under control and follow the laws established.

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Among the people, they are known as the “Executioner”, as they are known to be ruthless and merciless when someone dares to disobey the orders of the government.

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The AI was first created as a commercial character, but as more people start to rebel against the system, government started to manufacture them to replace police officers.