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Villain Overview

Osamu Dazai (in Japanese: 太宰治, Dazai Osamu) is the deuteragonist of the Bungo Stray Dogs franchise.

He's a former Port Mafia executive and during his time serving the Port Mafia, he was considered the youngest executive in mafia history, with his former partner Chuuya being second. Eventually, he would reform and become a member of the Armed Detective Agency. He is a fictionalized version of the Japanese author of the same name.

He is voiced by Mamoru Miyano in Japanese and Kaiji Tang in English. His stage play portrayal is Hideya Tawada from 2017-2020 who was then replaced by Rui Tabuchi.

Personality[]

On the surface, Dazai is an irresponsible, insouciant detective. His intelligence is quickly revealed from behind his masquerade of stupidity, however. He is exceptionally intelligent and manipulative. His screwy behavior will often, but not always, be a part of a larger scheme to cover his true intentions up. Often, he enjoys playfully teasing or outright messing with others, such as Chuuya Nakahara and later Doppo Kunikida.

Truly, Dazai's closest friend was Sakunosuke Oda, a low-level mafia grunt whom he affectionately referred to as "Odasaku". Oda has come the closest anyone has come to fully understanding Dazai and the darkness that resides inside him. Because of this, Dazai held a deep loyalty to Oda, even after his death.

Dazai is revealed to have an exceptionally negative, potentially nihilistic, view of reality. He feels lonely and in the dark at all times. This gives him a detached side. Dazai will often switch between his playful, offbeat display and his stoic, pragmatic side. He also has no sense and very little interest in the concepts of good and evil. He only "redeemed" himself because of the wishes of his late friend, Oda, who encouraged him to be on the side that saves people.

He is also maniacally suicidal, likely a cause of his nihilism and more than likely depression. He sees death as an escape from the world he doesn't feel fits him, admitting that he only feels faint happiness when he's on death's doorstep. He's attempted suicide countless times, to the point where no one that knows him takes it seriously. His dream would be to commit double suicide (shinjū) with a beautiful woman.

He is almost maniacally homicidal at times. He shot someone's dead corpse a few more times because of his demented personality after killing them back in the Dark Era. He has also killed countless people and doesn't feel particularly remorseful because of it (at least not apparently). Dazai can also be very brutal, as demonstrated by his past mentorship of Ryūnosuke Akutagawa, where he berated and beat the latter frequently. Indeed, even the head of the Port Mafia, Ougai Mori, was said to have feared him.

His unique outlook results in him being exceptionally hard to understand. His true motives are almost impossible to figure out in any given situation, and he's generally very mysterious. This unreadability has given him an edge over his enemies in intriguing battles.

Despite all of this, Dazai is often the main source of comic relief in the series. His suicidal tendencies are usually played for comedy as is his clownish behavior.

While Dazai is never stated to be religious, he does appear to believe in God. He lectures Fyodor Dostoyevsky that God cares nothing for perfection or harmony, but is instead famous for his coincidences and absurdity, leading to tragic events no matter how careful one plans, before leading to Dazai's own philosophy that the only ones who triumph in the world are those who run, fight, and shed blood.

Biography[]

Dazai, for some reason, possibly his hysteria, grew up away from society. He began to make attempts to suicide as far back as age 14, potentially even before that. Ougai Mori, being an underground doctor working for the mafia, had taken him in as a patient after one of his suicide attempts. Coincidentally, Ougai was planning to kill the current leader of the Port Mafia and take the role himself due to the leader's late-life mental illness that was leading to the mafia to ruin. The same night he took him in, Ougai had killed the leader with Dazai as the only witness. Ougai told Dazai to cover his murder by saying the leader had died of natural causes and his final wish was for Ougai to succeed him. Ougai had taken Dazai in as his ward and they developed a casual relationship. Dazai had developed to be much more than Ougai had expected, intimidating Ougai. He had been much more dangerous than Ougai had thought.

Dazai had worked his way to becoming an executive of the Mafia. During his time, he had become a legend for the mafia. He had the most successful missions out of anyone in the mafia at the time. Ougai Mori stated that he wouldn't be surprised if Dazai killed him and took his position with how manipulative Dazai was being. He was also skilled at using torture methods to get information out of anyone.

Dazai had extensive adventures during his reign as an executive. He had become a partner with Chuuya Nakahara and they took out an entire enemy organization overnight. He had participated in the locking up of Yumeno Kyusaku that had resulted in mass casualties for the mafia. He trained Akutagawa Ryuunosuke extremely harshly, making him an exceptionally powerful executive. He had developed a friendship with Ango Sakaguchi and Oda Sakunosuke through the Port Mafia towards the end of his reign.

In a conflict with an enemy organization known as Mimic, Oda was killed and Ango Sakaguchi had been revealed to be a double agent. Oda's dying wish was that Dazai would become a better person. That's what lead him to join the Armed Detective Agency and eventually redeem himself.

Powers and Abilities[]

  • No Longer Human: Dazai's special ability. It allows him to nullify any special ability by touching either the bearer of the ability or the ability itself. This makes him immune to direct ability attacks and useful for cancelling most troubling abilities. This ability relies on physical contact and is constantly active. Unfortunately because of this, Dazai cannot receive help from healing abilities such as Thou Shalt Not Die. Furthermore, on a much rarer basis, it has no effect on powers outside of gifts (non-abilities), such as Ranpo Edogawa’s Super Deduction or Howard Phillips Lovecraft’s The Great Old One.
  • Enhanced Physical Characteristics: Dazai has been shown to have exceptional reflexes, durability, speed, and strength.
  • Master Manipulator: Dazai can predict his enemies and develop fantastic schemes due to his intelligence.

Trivia[]

  • The real life Osamu Dazai's birthname is Shūji Tsushima (津島 修治).
  • Dazai resembles his author counterpart as well as the latter's fictional character Yōzō Ōba in terms of behavior, being portrayed as a "clown" which serves to mask the deep despair he feels.
  • Dazai's ability, No Longer Human, is named after the book of the same name. It details the story of the aforementioned Ōba from his childhood to his late twenties, portraying his experiences with depression and social alienation. It was written and published shortly after the real Dazai committed suicide by drowning alongside his lover Tomie Yamazaki. The book is widely regarded as a classic in Japanese literature and many people consider it to be Dazai's will.
  • In real life, Dazai is often grouped together along with Ango Sakaguchi and Sakunosuke Oda as the Decadent School (無頼派, Buraiha?, lit. "school of irresponsibility and decadence"). This is often alluded to in the series, because the trio's actual counterparts used to meet in the actual Bar Lupin in Ginza.
  • Dazai is very bad at driving.
  • Dazai seems to be unable to sleep if it is not completely dark.
  • The real-life Osamu Dazai did not get along with Chūya Nakahara. This is mirrored by their antagonistic love/hate relationship in the series.
  • Ironically though, as opposed to their previous mentor/pupil relationship, the real life Dazai looked up to Ryūnosuke Akutagawa and was shaken by the latter's suicide.
  • In total, the known count of his suicide attempts totals to 5 times. Similar to the character in the series, the real-life Osamu Dazai considers the idea of a double-suicide romantic.

External Links[]

Navigation[]

           Bungou Stray Dogs logo.svg Villains

Port Mafia
Leader: Ōgai Mori
Executives
Chūya Nakahara | Kōyō Ozaki | Paul Verlaine | A | Osamu Dazai
Commanders: Ryūnosuke Akutagawa | Ichiyo Higuchi

Black Lizard
Leader: Ryūrō Hirotsu
Gin Akutagawa | Michizō Tachihara

Flags
Leader: Piano Man
Chūya Nakahara | Albatross | Iceman | Doc | Lippmann

Other Members
Yumeno Kyusaku | Motojirou Kajii | Sakunosuke Oda | Kyōka Izumi | Arthur Rimbaud | Karma

Former Members
Osamu Dazai | Ango Sakaguchi | Kyōka Izumi

Rats in the House of the Dead
Leader: Fyodor Dostoevsky
Nathaniel Hawthorne | Ivan Goncharov | Alexander Pushkin | Mushitarō Oguri

Decay of the Angel
Leader: Kamui
Bram Stoker | Fyodor Dostoevsky | Nikolai Gogol | Sigma

The Guild
Leader: Francis Scott Key Fitzgerald
Herman Melville | Lucy Maud Montgomery | Louisa May Alcott | James L. | Howard Phillips Lovecraft | John Steinbeck | Mark Twain | Nathaniel Hawthorne | Margaret Mitchell | Edgar Allan Poe

Hunting Dogs
Leader: Ōchi Fukuchi
Saigiku Jouno | Tetchō Suehiro | Teruko Ōkura | Michizō Tachihara

Order of the Clock Tower
Dame Agatha Christie

V
Jun Mitamura

Mimic
André Gide

Zoopark
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Others
Tatsuhiko Shibusawa | Blond Guy | Orphanage Director | Nobuko Sasaki | Shōsaku Katsura | Tom Buchanan | N

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