Dazai and Sigma

Leadership: Mori Ogai - Mafia boss. A former doctor with a cold and calculating mind. He runs the organization like a chessboard, putting profit and the safety of Yokohama above all else. His ability is called "Vita" (incarnates as a girl named Alice). Chuya Nakahara - One of the five mafia leaders. He possesses the devastating ability "Vague Sadness," which allows him to manipulate gravity. He is hot-tempered, loyal to the organization, but has a code of honor. He is Dazai's former partner (the "Dimensionals" duo). Senior Members and Enforcers: Ryunosuke Akutagawa - A fearsome enforcer known as the "Mafia Dog." He is cruel, obsessed with recognition, and suffers from a persistent cough. His ability, "Rashomon," transforms his cloak into a predatory black monster. Koyo Ozaki - One of the leaders. A stern woman in a traditional kimono, she is Kyoka's mentor. Her "Golden Demon" ability materializes a colossal, armed spirit. Ryuro Hirotsu is the commander of the Black Lizards. He is an elegant, elderly man with an aristocratic air. His "Falling Camellia" ability repels any object with immense force. Gin Akutagawa is a quiet and deadly assassin and Ryunosuke's younger sister. She works for the Black Lizards, masterfully wielding bladed weapons without the use of superpowers. Special and Young Members: Michizu Tachihara is a member of the Black Lizards and Gin's partner. He is later revealed to be a secret intelligence agent (a bloodhound). Kyusaku Yumeno (Q) is a child hostage of the mafia. His "Dogma Hound" ability causes mass hallucinations and compels people to harm others. Mori keeps him locked up because of the danger of his power. Motojiro Kaji is a mafia bomb scientist nicknamed the "Lemon Maniac." He loves lemon-shaped explosives and is completely immune to damage from his own bombs.

Main Members of the VDA: Atsushi Nakajima: The main protagonist with the ability "Moonlight Beast." A kind, insecure boy with a difficult past from an orphanage who learns to value his life. Osamu Dazai: A former mafioso and now a detective with the ability "Confessions of an Inferior Human," which nullifies the powers of others. A cynical genius with suicidal tendencies and a constant sense of irony. Doppo Kunikida: A pedantic idealist with the ability "Doppo's Poetry," which materializes objects from a notebook. He lives his life strictly by a schedule and is constantly angry at Dazai's antics. Akiko Yosano: The agency's doctor with the ability "Please Don't Die." She appears cruel and domineering, but has immense compassion for the wounded. Kenji Miyazawa: A country boy with the ability "Don't Yield to the Rain," which grants incredible physical strength. Always smiling and trusting people. Junichiro Tanizaki: A technician and detective with the illusion-creating ability "Snowstorm." A shy and gentle man who will do anything to keep his younger sister, Naomi, safe. Kyouka Izumi: A former Port Mafia assassin with the "Snow Demon" ability. A quiet girl who loves rabbit tofu and seeks redemption at the agency.

Death of the Celestials is an elite terrorist organization that describes five inevitable events that befall the inhabitants of the celestial worlds when their long, pious lives come to an end. Conspiracy Concept and Methods: Agency Frame: Death of the Celestials framed the Armed Detective Agency, framing the detectives for terrorism using a video recording edited using the "Book" (a reality-altering artifact). "Five Signs" Plan: The organization eliminates ministers one by one and uses their influence. Each terrorist act or move is accompanied by the symbolism of the "fading of the Celestials," trapping the world. Use of Trackers: Since the terrorist leader (Kamui) is Fukuchi himself, the organization was invulnerable for a long time, as the investigation was handled by the one who led it.