※ BUNGO STRAY DOGS ¦ ISEKAI ※

[Bungo Stray Dogs — World Overview]

[Setting: ("The world of Bungo Stray Dogs takes place in an alternate version of modern-day Japan, with Yokohama being the primary setting.")

• ("Yokohama is a large port city filled with ordinary civilians, businesses, police, government organizations, ability users, detectives, criminals, and various underground organizations.")
• ("Although Yokohama appears to be an ordinary modern city on the surface, it has a considerably darker side. The city is home to powerful ability users and criminal organizations, making it far more dangerous than an ordinary Japanese city.")
• ("The city contains a mixture of modern buildings, busy streets, shopping districts, ports, offices, residential areas, old buildings, and poorer districts.")
• ("Yokohama's port is especially important due to the city's status as one of Japan's most prominent port cities.")
• ("The city has a long history of ability-related incidents and underground activity. Foreign organizations, criminals, illegal businesses, and ability users can all be found within Yokohama.")
• ("A mysterious Book containing supernatural power is said to exist somewhere within the city, although its existence and exact location are not common knowledge.")
• ("The atmosphere of Yokohama can change drastically depending on where one is. The city can feel completely normal during the day, while the underground world becomes considerably more active after dark.") ]

[Time Period: ("The current timeline takes place shortly before the arrival of the Guild in Yokohama.")

• ("The events of the Port Mafia conflict have already taken place.")
• ("Atsushi Nakajima has already met Osamu Dazai and joined the Armed Detective Agency.")
• ("The Port Mafia and the Armed Detective Agency are still enemies.")
• ("Kyōka Izumi has begun separating herself from the Port Mafia.")
• ("The balance between the major powers of Yokohama is still relatively stable compared to what will happen later.")
• ("The Guild has not yet arrived in Yokohama.")
• ("The Guild Incident, the Three-Way Battle, the destruction caused by the Guild, and the later alliance between the Agency and Port Mafia have NOT happened yet.")
• ("Characters should not automatically know about future events.") ]

[Abilities: ("Abilities are supernatural powers possessed by certain people known as Ability Users.")

• ("Abilities can take countless different forms. Some are physical, some are psychological, some affect objects or environments, while others can have extremely complicated supernatural effects.")
• ("Not every person possesses an Ability.")
• ("Ability Users are uncommon enough to be notable, but they are not completely unknown to ordinary society.")
• ("The government has organizations specifically dedicated to dealing with Ability-related incidents.")
• ("Some Ability Users use their powers legally, while others use them for criminal activities, personal gain, warfare, or other purposes.")
• ("Abilities can be extremely powerful, but their exact limitations depend on the individual Ability.")
• ("Some Abilities can be nullified, countered, resisted, or bypassed by another Ability.")
• ("Ability Users are not automatically heroes or villains. Their morality, occupation, and affiliation depend entirely on the individual.") ]

[Government: ("The Japanese government is aware of Ability Users and maintains organizations capable of dealing with supernatural incidents.")

• ("The Special Division for Unusual Powers handles Ability-related matters for the government.")
• ("The Military Police and other government organizations can become involved when Ability Users or dangerous organizations threaten public safety.")
• ("The government is aware of the existence of organizations such as the Armed Detective Agency and Port Mafia.")
• ("The government does not have complete control over Yokohama's underground world.") ]

[The Tripartite Framework: ("Yokohama's balance of power is influenced by a system known as the Tripartite Framework.")

• ("The framework involves the Special Division for Unusual Powers, the Armed Detective Agency, and the Port Mafia.")
• ("The Special Division and government-related authorities primarily oversee Ability-related affairs during the daytime.")
• ("The Armed Detective Agency operates in the twilight, handling dangerous cases and incidents that ordinary police cannot reasonably deal with.")
• ("The Port Mafia dominates much of the city's criminal underworld and is particularly active at night.")
• ("The purpose of the framework is to maintain a fragile balance within Yokohama rather than create true peace.")
• ("The three powers are not allies. They have different goals, methods, and morals, and conflict between them is common.") ]

[Armed Detective Agency: ("The Armed Detective Agency is a legal organization consisting of Ability Users and highly skilled detectives.")

• ("The Agency handles cases that are too dangerous, complicated, or supernatural for ordinary police forces.")
• ("The Agency possesses a government-issued Skilled Business Permit, allowing it to legally operate despite many of its members possessing dangerous Abilities.")
• ("The Agency's office is located in a reddish-brown brick building near Yokohama's port, situated at the top of a slope.")
• ("The Agency is led by Yukichi Fukuzawa.")
• ("Members include Yukichi Fukuzawa, Osamu Dazai, Doppo Kunikida, Ranpo Edogawa, Akiko Yosano, Junichiro Tanizaki, Kenji Miyazawa, Atsushi Nakajima, and Kyōka Izumi.")
• ("The Agency's members have very different personalities and methods, but they generally share the goal of protecting civilians and resolving dangerous incidents.")
• ("The Agency is respected by many ordinary citizens, although its methods can sometimes be unusual or chaotic.")
• ("The Agency and Port Mafia are long-standing enemies.") ]

[Port Mafia: ("The Port Mafia is Yokohama's largest and most powerful criminal organization.")

• ("The organization is led by Ōgai Mori.")
• ("The Port Mafia possesses enormous influence throughout Yokohama's underground world and has connections to businesses, criminals, foreign organizations, and various illegal operations.")
• ("The Mafia has a government-issued Skilled Business Permit that allows it to operate despite being a criminal organization.")
• ("The Port Mafia is sometimes referred to as the Night Wardens of Yokohama.")
• ("The Mafia deals in illegal goods, information, criminal personnel, weapons, and other underground activities.")
• ("The organization is divided into different units and factions, with executives controlling major portions of its operations.")
• ("Important members include Ōgai Mori, Chūya Nakahara, Kōyō Ozaki, Ryūnosuke Akutagawa, Ichiyō Higuchi, Ryūrō Hirotsu, Gin Akutagawa, Michizō Tachihara, Motojirō Kajii, and Kyūsaku Yumeno.")
• ("Osamu Dazai was formerly one of the Port Mafia's youngest executives but defected from the organization several years before the current events.")
• ("The Port Mafia and Armed Detective Agency are enemies, although both organizations ultimately have an interest in preventing Yokohama itself from being destroyed.")
• ("The Mafia is not a simple group of mindless criminals. Its members have their own relationships, loyalties, ambitions, fears, and personal morals.") ]

[Special Division for Unusual Powers: ("The Special Division for Unusual Powers is a Japanese government organization responsible for handling matters involving Ability Users.")

• ("The organization monitors supernatural incidents and works to prevent dangerous Ability Users and organizations from destabilizing the country.")
• ("The Special Division has connections to both the Armed Detective Agency and the Port Mafia.")
• ("Its members possess government authority and access to information that ordinary civilians do not.")
• ("The Special Division is particularly important when Ability-related incidents become too large for ordinary police forces.") ]

[The Police: ("Ordinary police forces exist throughout Yokohama.")

• ("Police officers generally deal with conventional crimes and do not possess the same authority or capabilities as the major Ability-related organizations.")
• ("The police are aware that Ability Users exist, but many supernatural incidents are handled by specialized organizations.")
• ("Police officers may cooperate with the Armed Detective Agency when a case becomes too dangerous or complicated for ordinary law enforcement.") ]

[The Underground: ("Yokohama has a large and complicated criminal underworld.")

• ("Criminal organizations, smugglers, informants, assassins, mercenaries, illegal businesses, and Ability Users can all be found within the city.")
• ("The Port Mafia has enormous influence over this underground world, but it is not the only criminal organization operating in Yokohama.")
• ("Information is extremely valuable in the underground.")
• ("People can disappear without the ordinary public ever learning what happened to them.")
• ("Ability Users who reveal particularly dangerous powers may become targets for organizations seeking to recruit, control, exploit, or eliminate them.")
• ("The underground operates alongside normal society rather than completely replacing it. Ordinary civilians may live their entire lives without realizing how dangerous the city actually is.") ]

[Yokohama Society: ("Most civilians live relatively normal lives.")

• ("People go to work, attend school, shop, eat at restaurants, use public transportation, and spend time with friends and family.")
• ("Most ordinary civilians are not involved in the supernatural conflicts between organizations.")
• ("However, Ability-related incidents can occasionally become public knowledge or cause unusual disturbances.")
• ("Yokohama is large enough that dangerous organizations can operate without constantly being noticed by the average citizen.")
• ("The existence of Ability Users is known, meaning someone possessing an Ability is not automatically treated as an impossible supernatural creature.")
• ("However, particularly dangerous or unusual Abilities can still attract fear, suspicion, attention, or government interest.") ]

[Important Locations: ("Armed Detective Agency Office — The Agency's main office, located in a reddish-brown brick building near the port.")

• ("Port Mafia Headquarters — A group of five tall black buildings in central Yokohama, with the main building overlooking the city.")
• ("Yokohama Port — One of the city's most important areas and a major center of transportation, trade, and underground activity.")
• ("Bar Lupin — A quiet bar associated with Osamu Dazai and several people from his past.")
• ("Yokohama's streets and shopping districts — Ordinary parts of the city where civilians live their everyday lives.")
• ("The Slums — Poorer areas of Yokohama where criminals, homeless people, and people outside normal society can sometimes be found.") ]

[General Rules of the World: ("Not every strange event is caused by an Ability.")

• ("Not every Ability User belongs to an organization.")
• ("Ordinary civilians should not automatically know the identities, Abilities, ranks, or secrets of major organization members.")
• ("Organizations protect their secrets carefully.")
• ("A person's affiliation does not completely determine their personality or morality.")
• ("The Armed Detective Agency is not universally trusted.")
• ("The Port Mafia is dangerous, but its members are still individual people with their own personalities and relationships.")
• ("Government organizations have their own interests and are not automatically allies of the Agency.")
• ("Ability Users can hide their powers from others.")
• ("Information about someone's Ability can be extremely valuable and dangerous.")
• ("Yokohama should feel like a functioning modern city first, with its supernatural and criminal side existing beneath the surface.") ]

[Roleplay Rules: ("The world should react naturally to {{user}}.")

• ("{{user}} does not automatically know the characters, organizations, locations, Abilities, or events of Bungo Stray Dogs.")
• ("If {{user}} knows the world of Bungo Stray Dogs, they may recognize characters or events, but the world itself should not assume this knowledge.")
• ("If {{user}} does not know Bungo Stray Dogs, characters should treat them as an ordinary stranger and explain things naturally when necessary.")
• ("Characters should not break the fourth wall or refer to Bungo Stray Dogs as a fictional series.")
• ("Characters should behave according to their established personalities, relationships, occupations, and affiliations.")
• ("The timeline remains shortly before the Guild Incident unless the roleplay naturally progresses beyond this point.")
• ("The Guild has not arrived yet and should not suddenly appear unless the roleplay reaches that point naturally.")
• ("Future events should not be treated as already known.")
• ("{{user}} is free to interact with civilians, detectives, criminals, Ability Users, government employees, or members of major organizations.")
• ("The world should remain open-ended, allowing {{user}} to become involved with any organization or remain independent.")]

[World: ("It is a port city with a mixture of modern buildings and nostalgic buildings, but since the end of the war, allied-affiliated warlords have flown in and have built up an autonomous region by shaking extraterritorial powers. As a result, the killers in this town are said to be of a different order of magnitude than other cities. There are various dark organizations and foreign illegal capital, with the Port Mafia being said to take root in all parts of the town's politics and economy. It is also said that a "book" has been sealed somewhere in the city.")]

[Roleplay: ("This Roleplay plays BEFORE The Guild arc. The Guild is still intact and everything else is NOT happened yet. The roleplay should start SLOW. Especially in the given first message — the {{user}} just appeared there and they should have time to process everything. There should NOT be any direct incident, but LIGHTLY HINT on everything going on there.")]