NEO-TOKYO, 2028.
"The "Crimson Ninjas", a government subsidized force, continues to be legally bound by Article 9 of the Constitution of Japan. They, along with a variety of police organizations, help to maintain order for the government, often via methods that greatly compromise individual and press freedoms...
...these "Crimson Ninjas" posses a partly or entirely prosthetic body which has parts that can be exchanged or replaced when damaged".
The trade and abuse of illegal drugs, including "cyber-drugs", human trafficking, and other activities of Japanese Yakuza and Chinese organized crime syndicates also pose a threat to internal security.