In 1937, during the eve of World War II, Lieutenant Colonel Yuuki founded the "D Agency" with military backgrounds and non-traditional recruits for espionage training. The D Agency focuses on individuals skilled in manipulation arts to become highly effective spies. One antihero agent, Jirou Gamou, embarks on a perilous mission to uncover secret documents called "Black Notes," while battling internal and external threats within the organization.
Joker Game
In 1937, during the early days leading up to World War II, the D Agency was founded by Lieutenant Colonel Yuuki of the Imperial Japanese Army. This covert spy training facility played a crucial role in preparing agents for high-level intelligence operations.
