In 1937, a covert organization called the "D Agency" was established by Lieutenant Colonel Yuuki, training individuals with manipulation skills to become elite spies. Agent Jirou Gamou embarks on a treacherous mission to uncover the enigmatic "Black Notes", facing internal and external threats within the agency.
Joker Game
The D Agency was founded in 1937 by Lieutenant Colonel Yuuki of the Imperial Japanese Army as a covert training facility for spies, playing a crucial role in preparing agents for high-level intelligence operations during the pre-World War II era.
