1. The Black Organization (Conan)
When talking about the famous detective Conan, it’s hard not to mention the Black Organization - a mysterious criminal organization that creates many dangers in the world of the young detective Conan Edogawa. The origins and true purpose of this organization are still largely unknown, both in the manga and anime.
As for the purpose of the Black Organization, it remains a great mystery. However, based on the current storyline, we can see that the organization is likely pursuing some rather dark goals, including:
- Searching for the APTX 4869 drug for their own secret schemes
- Eliminating obstacles and those who oppose the organization
- Controlling the underworld and manipulating political systems
The Black Organization is home to many famous members who are well-known to fans of the anime series. In addition to their striking appearances, these members possess sharp intelligence and extraordinary combat abilities. The organization is also one of the most interesting, as it hides many undercover agents and spies planted within to monitor the actions of the group.
The structure of the Black Organization is quite clear, divided into three levels. The highest level is the leader of the organization, whose identity is still unknown to the readers. At the middle level, the organization has key members like Gin, Vermouth, Rum, etc. The lower level consists of new recruits. A fun fact for fans is that the members of the Black Organization are all named after different types of strong alcoholic drinks.

2. Office of Secret Intelligence (Code Geass)
Office of Secret Intelligence (OSI) is a clandestine espionage agency playing a vital role throughout the Code Geass narrative. Known for its strength and secrecy, OSI is tasked with gathering intelligence and safeguarding the interests of the nation.
In Code Geass, OSI carries out various functions, including:
- Collecting intelligence on various countries and organizations
- Engaging in covert operations to assist Britannia in its global domination plans
- Protecting Lelouch Lamperouge, the Britannian prince, and Zero, leader of the Black Rebellion
The OSI is divided into multiple specialized units, including:
- The Intelligence Division, responsible for information gathering
- The Operations Division, tasked with executing secret operations
- The Analysis Division, which processes intelligence and provides strategic insights
Office of Secret Intelligence is home to numerous key members who are highly skilled and committed to the organization, including:
- Jeremiah Gottwald: OSI Director, a man of unwavering loyalty to Britannia
- Villetta Nu: A skilled agent and Jeremiah's trusted second-in-command
- Kallen Stadtfeld: A double agent who initially served OSI before joining the Black Rebellion
- Suzaku Kururugi: A Japanese youth who worked for OSI before ultimately becoming Zero

3. Mithril (Full Metal Panic!)
Mithril is a mysterious espionage organization featured in the anime and light novel series Full Metal Panic!. It was founded by Leonard Testarossa, a billionaire and philanthropist. In the Full Metal Panic! universe, Mithril is known as an international peacekeeping force, specializing in combating terrorism and other hostile forces.
Within the anime series, Mithril's primary mission is to protect Kaname Chidori, a high school girl who is also the main protagonist. Kaname is viewed as a high-value target for terrorist organizations. To safeguard her, Mithril sends a special agent, Sousuke Sagara, who assumes the identity of an ordinary student and befriends Kaname in a natural way. Sousuke is a key member of the organization, having undergone intense training from a young age to become a mercenary.
Mithril is also equipped with advanced technology, most notably the remote-controlled combat units known as Arm Slaves (AS). AS are giant robots capable of fighting on land, at sea, and even in space. They are typically deployed to handle military and terrorist threats. Additionally, Mithril utilizes the Electronic Concealment System (ECS), a technology that allows them to hide the presence of their warships and vehicles from radar and other detection systems, enabling stealthy operations.

4. Direct Attack (Lycoris Recoil)
Lycoris Recoil is an anime series produced by A-1 Pictures, which premiered in the summer of 2022. A blend of action, comedy, and slice-of-life elements, the anime captivated a wide audience with its engaging storyline and unique character development.
In Lycoris Recoil, the secretive organization Direct Attack works to maintain peace in Tokyo. It focuses on preventing crime and eliminating threats to the city, all while keeping the existence of the Lycoris—a highly trained combat team—under wraps.
One unique feature of Direct Attack is that its agents are granted lethal authority, distinguishing them from regular police or military forces. Several factors contribute to Direct Attack's formidable strength in safeguarding Tokyo and Japan. One such factor is the intelligence division, which has access to all data, information, and intelligence from law enforcement, military, and other espionage agencies in Japan. Additionally, the Lycoris agents themselves possess exceptional intelligence and skills, making them highly capable in their mission to protect the nation.

5. Westalia Intelligence Service (Spy x Family)
Westalia Intelligence Service (abbreviated as Wise) is the premier intelligence agency of Westalis, a fictional nation in the renowned anime series Spy x Family. The core mission of Wise is to ensure national security and prevent war and conflicts, particularly with its hostile neighbor, Ostania. This is the organization that Loid Forger works for.
Wise operates through a vast network of covert agents, each highly skilled in espionage, blending into society by adopting various identities. These agents can range from diplomats and businessmen to seemingly ordinary individuals. Through their intelligence and ability to navigate delicate situations, Wise successfully gathers critical intelligence, thwarts enemy schemes, and safeguards national secrets.
The symbol of the Westalia Intelligence Service is an eye gazing toward the East, symbolizing the organization's focus on Ostania. The ever-charming Loid Forger, often regarded as a national hero, is one of its top agents. He is assigned a crucial mission, codenamed 'Strix,' to infiltrate Eden Academy, an elite school for the children of Ostania's high society, in order to get close to Donovan Desmond, a powerful political figure. To complete this mission, Loid is forced to create a fake family to maintain his cover, which includes Yor Briar, a mysterious assassin, and Anya Forger, an adorable young girl with the unique ability to read minds.

6. British Library Special Operations Division (Read or Die)
Read or Die is an anime adapted from the light novel of the same name by author Hideyuki Kurata. The story takes viewers into the enigmatic world of the British Library Special Operations Division (BOD), a clandestine organization dedicated to safeguarding knowledge and preventing crimes related to books. The plot follows Yomiko Readman, a woman who joins the BOD and, along with her team, works to thwart the sinister plans of The Document of Nephilim, a mysterious group aiming to wield the power of knowledge to dominate the world.
Deep within the British Library lies the BOD, a far cry from the typical quiet and secluded image of a library. BOD is a highly trained force that handles dangerous missions requiring sharp intellect and exceptional combat skills. Its members are not ordinary librarians but extraordinary individuals who have been meticulously selected for their profound knowledge in various fields, including history, culture, and combat. Every agent carries a unique alias and employs a distinct fighting style inspired by the world of books. The protagonist, Yomiko Readman, known as 'The Paper,' possesses the ability to transform paper and other paper-based materials into sharp, deadly weapons.
The British Library Special Operations Division stands not only as a symbol of intellectual power but also as a force for truth, justice, and the preservation of humanity's heritage. The members fight to protect not just books but the very essence of truth and justice.

7. D-Agency (Joker Game)
Joker Game is an anime adaptation based on the Japanese novel series written by Koji Yanagi. Set in an alternate version of World War II-era Japan, the story revolves around D-Agency, a secret intelligence organization created by the Imperial Japanese Army to train and deploy spies abroad for covert operations.
Operating in the shadows of wartime chaos, D-Agency was founded by Lieutenant Colonel Yuuki and brought together highly skilled agents who underwent rigorous training to carry out dangerous missions aimed at gathering information and protecting national security. The members of D-Agency blend into various layers of society under different aliases, all while fulfilling their critical assignments.
Throughout their missions, D-Agency's spies face constant danger and inevitable risks. They live in secrecy, always under the threat of being exposed or even losing their lives. Their work demands the sacrifice of ordinary human experiences, such as personal emotions, identities, and time for themselves, to ensure the success of their assignments. Despite their immense sacrifices and contributions, the actions of many agents remain largely unknown and fade into the annals of history.

8. Cipher Pol (One Piece)
Cipher Pol is a covert organization under the World Government in the anime One Piece. Comprised of spies and assassins, their mission is to carry out dark, secretive operations that the World Government cannot publicly undertake. Cipher Pol operates behind the scenes, subtly controlling world events.
The organization is divided into multiple branches, numbered from CP1 to CP9. Cipher Pol 9 (CP9) is the most well-known branch, with its members being the primary antagonists in the Enies Lobby arc. Aside from CP9, little is known about the other Cipher Pol branches, except for occasional references to Cipher Pol CP0 in certain situations.
Members of Cipher Pol are highly skilled and formidable warriors. They are rigorously trained in various forms of combat and often employ Rokushiki, a secret martial art style. Additionally, Cipher Pol agents are equipped with the most advanced weapons and technologies available.
Some interesting facts about Cipher Pol that you might want to know:
- Cipher Pol was founded by Im, the leader of the World Government.
- Cipher Pol is responsible for the death of King Cobra.
- Rob Lucci, the former head of CP9, is one of the strongest antagonists in One Piece.
- Cipher Pol members are often given animal-based codenames.

9. Section 9 (Ghost in the Shell)
Section 9 is a fictional espionage agency featured in the anime and manga series Ghost in the Shell. Operating as a covert division of the Japanese government, its mission is to tackle cybercrime and safeguard national security.
Section 9 plays a crucial role in securing the nation’s defense and combating emerging threats in a futuristic world. The organization also raises profound philosophical questions regarding humanity, consciousness, and the relationship between humans and technology.
The agency boasts a diverse team of permanent and non-permanent members, including experts in technology, hackers, police officers, and individuals with specialized combat skills. The protagonist of Ghost in the Shell, Major Motoko Kusanagi, is a prominent member of Section 9 and a leader in its operations.
Some of the key missions that Section 9 routinely handles include:
- Hacking into computer systems to retrieve classified information
- Preventing cyberattacks on vital infrastructure
- Quelling riots and terrorism activities
As one of the world’s leading espionage agencies in the anime world, and within Ghost in the Shell specifically, Section 9 is equipped with exclusive technologies such as:
- Tachikoma: Autonomous robotic spider tanks capable of acting and attacking independently
- Thermo-optic Camouflage: A technology that grants the user invisibility from the human eye
- Cyberbrain: A neural network system that enables users to access information and control electronic devices via thought

10. Anbu (Naruto)
Anbu (Ansatsu Senjutsu Tokushu Butai) is a covert, elite unit operating under the Hokage, tasked with carrying out highly classified and perilous missions in the world of Naruto. Created by the Second Hokage, Anbu acts as a silent force, performing a multitude of dangerous operations:
- Protecting the Hokage: Anbu serves as the first line of defense for the Hokage, shielding them from internal and external threats to the Hidden Leaf Village.
- Executing assassinations: Anbu is entrusted with eliminating dangerous enemies, traitors, or anyone posing a direct threat to the village.
- Gathering intelligence: Anbu operates an extensive spy network to collect crucial information on enemy forces, secret plots, and covert operations.
- Suppressing uprisings: Anbu is sent to quash rebellions, riots, and any movements opposing the village's leadership.
- Guarding secrets: Anbu plays a vital role in safeguarding the Hidden Leaf’s most confidential information, including forbidden jutsu and sensitive village data.
Anbu consists of the most skilled and powerful ninjas from the Hidden Leaf, selected through a rigorous process of training. The organization is split into two primary branches:
- Anbu under the Hokage: This division is directly responsible for the protection of the Hokage and executing missions per their command.
- Anbu Root: Led by Danzo, this faction specializes in carrying out dark and sensitive tasks, unbeknownst to the Hokage.
Operating from the shadows, Anbu is cloaked in secrecy. Though they are considered silent warriors who sacrifice themselves to defend the village, their controversial methods make them a feared and enigmatic force within the Naruto universe. Despite these controversies, Anbu remains essential in protecting the Hidden Leaf, acting as a crucial safeguard against various threats, dark conspiracies, and helping to preserve the peace and stability of the village.
