Bungo Stray Dogs is about gifted people looking for somewhere to belong. Atsushi, told again and again at the orphanage that he was unwanted; Dazai, wrapping a death wish in bandages; Akutagawa, who wanted nothing except Dazai's recognition. The Agency against the Port Mafia is not light against dark — it is two different answers to how you find a place.
This page reads 10 Bungo Stray Dogs characters through three layers: MBTI as the outward personality, attachment style as the hidden side, and a Big Five type. Rather than simply assigning a type, Why this type from what they do in the story and where they came from — that is how this site works.
📊 Attachment style distribution across the Bungo Stray Dogs cast
The comparison baseline is the attachment split across 42,256 quiz responses: 30.1% secure, 15.5% anxious, 13.7% avoidant, 40.6% fearful-avoidant.
Atsushi and Akutagawa are a pair, almost brothers, in their hunger for recognition. The same man found them both; one went toward comrades, the other toward a thirst that was never answered. What separated them was not talent but the order in which they were accepted.
🧩 Reading the relationships in Bungo Stray Dogs through attachment
Bungo Stray Dogs is about people who never had a place finding a home. Atsushi was told at the orphanage that nobody wanted him, Akutagawa survived the slums with his sister, and Ranpo was picked up by Fukuzawa. The Armed Detective Agency works as a home because Fukuzawa manages no one. The Port Mafia, by contrast, is designed as an organisation in which Mori places everybody. Two groups of the same kind, split exactly on whether they can become a secure base.
📖 Character list (tap to jump)
The artwork is 16 MBTI types × 4 attachment styles = 64 combinations character images. When the same picture appears twice, those two match all the way down to the 64-type level.
🍛 Sakunosuke Oda: MBTI ISTP, attachment Avoidant
An assassin who has decided not to kill anyone. Even if I take my children away, I won't give up my inner self to anyone.
MBTI radar (ISTP dominant four axes + attachment stability)
Big Five radar (five factors + hidden-side axis)
Why Sakunosuke Oda is ISTP × Avoidant
He calmly handles what needs to be done: this quiz reads that through ISTP and introverted Thinking (Ti). He rarely displays strong emotional swings, yet quietly holds to his chosen boundaries. His wish to write fiction also reveals an inner life he does not rush to show others.
🩹 Osamu Dazai: MBTI ENTP, attachment Fearful-avoidant
A former mafia member who wraps his suicidal thoughts in bandages and jokes. Darkness continues to choose the side of light.
MBTI radar (ENTP dominant four axes + attachment stability)
Big Five radar (five factors + hidden-side axis)
Why Osamu Dazai is ENTP × Fearful-avoidant
Unconventional reasoning and elusive humor suggest an ENTP reading through extraverted Intuition and introverted Thinking (Ne–Ti). The fearful-avoidant interpretation focuses on Dazai seeming close while remaining difficult to know.
🐯 Atsushi Nakajima: MBTI INFP, attachment Anxious
I was constantly called an "unwanted child" at the orphanage. The desire for a place to belong becomes a tiger.
MBTI radar (INFP dominant four axes + attachment stability)
Big Five radar (five factors + hidden-side axis)
Why Atsushi Nakajima is INFP × Anxious
Great power as the white tiger coexists with self-doubt: this quiz reads Atsushi through INFP and introverted Feeling (Fi). The anxious interpretation focuses on his longing to belong and be needed.
🖤 Ryunosuke Akutagawa: MBTI ISTJ, attachment Fearful-avoidant
Rashomon kept asking only for Dazai's approval.
MBTI radar (ISTJ dominant four axes + attachment stability)
Big Five radar (five factors + hidden-side axis)
Why Ryunosuke Akutagawa is ISTJ × Fearful-avoidant
The precision with which he handles Rashomon, and the discipline of that black coat — an ISTJ whose introverted sensing and extraverted thinking (Si-Te) have been honed into technique. The reason to read him as fearful-avoidant is that he wants recognition and cannot go near the person whose recognition he wants. He survived the slums with his sister, and Dazai found him.
🎩 Chuuya Nakahara: MBTI ESTP, attachment Anxious
An executive of the Port Mafia. The rotten bond with Dazai is the only equal bond in the shape of a hated mouth.
MBTI radar (ESTP dominant four axes + attachment stability)
Big Five radar (five factors + hidden-side axis)
Why Chuuya Nakahara is ESTP × Anxious
Chuuya's immediate responses in gravity-based combat and his direct yet protective manner suggest an ESTP reading through extraverted Sensing (Se). The anxious interpretation focuses on the tension between questions of identity and belonging.
📔 Doppo Kunikida: MBTI ISTJ, attachment Secure
A methodical person who writes down his ideals in his notebook. Although he suffers from the discrepancy between his ideals and reality, he never abandons his ideals.
MBTI radar (ISTJ dominant four axes + attachment stability)
Big Five radar (five factors + hidden-side axis)
Why Doppo Kunikida is ISTJ × Secure
Kunikida's commitment to the ideals and plans in his notebook suggests an ISTJ reading through introverted Sensing and extraverted Thinking (Si–Te).
🦋 Akiko Yosano: MBTI ESTJ, attachment Secure
A dynamic doctor who can "cure people close to death." Even with my past on the battlefield, I still look towards you.
MBTI radar (ESTJ dominant four axes + attachment stability)
Big Five radar (five factors + hidden-side axis)
Why Akiko Yosano is ESTJ × Secure
Yosano's decisive, practical approach to her responsibilities as a doctor suggests an ESTJ reading through extraverted Thinking (Te). The secure interpretation focuses on her continuing choice to care for and protect others after painful experiences.
🔍 Ranpo Edogawa: MBTI ENTP, attachment Secure
Armed Detective Agency's trump card. He is the self-proclaimed world's best detective who sees through everything with his "super deduction" without supernatural powers.
MBTI radar (ENTP dominant four axes + attachment stability)
Big Five radar (five factors + hidden-side axis)
Why Ranpo Edogawa is ENTP × Secure
A leap of thought that reaches the truth in an instant — an ENTP of extraverted intuition (Ne). The reason to call him secure is that he does not hide what he lacks. He is arrogant and childish, cannot take a train by himself, and shows no sign of being ashamed of it.
🍵 Yukichi Fukuzawa: MBTI ISTJ, attachment Secure
President of Armed Detective Agency. A former assassin swordsman quietly organizes a "house" of outcasts.
MBTI radar (ISTJ dominant four axes + attachment stability)
Big Five radar (five factors + hidden-side axis)
Why Yukichi Fukuzawa is ISTJ × Secure
Fukuzawa's disciplined, quiet protection of the organization suggests an ISTJ reading through introverted Sensing (Si). Meeting Ranpo and founding the Agency give his strength a protective purpose.
🩺 Ogai Mori: MBTI ENTJ, attachment Avoidant
Port Mafia leader. A cold-hearted former military doctor who prioritizes the survival of his organization.
MBTI radar (ENTJ dominant four axes + attachment stability)
Big Five radar (five factors + hidden-side axis)
Why Ogai Mori is ENTJ × Avoidant
Mori weighs an organization's gains and losses before choosing its direction: this quiz reads that through ENTJ and extraverted Thinking (Te). The avoidant interpretation focuses on his distance from personal feelings in decision-making.
❓ Frequently asked questions
How many Bungo Stray Dogs characters are listed?
Bungo Stray Dogs currently has 10 profiles here. Each one carries an MBTI type, an attachment style and a Big Five type, together with the reasoning behind them. (Sakunosuke Oda／Osamu Dazai／Atsushi Nakajima and others.)
Which attachment style is most common in Bungo Stray Dogs?
Of the 10 profiles on this page, secure is the largest group with 4 (about 40%). On MBTI, ISTJ leads with 3. Even inside one series the ways of holding distance diverge, so two characters with the same MBTI do not relate to people the same way.
Is this type assignment official?
Not official. This is our editorial reading, based on actions and descriptions in the work. It is not a psychological diagnosis and not the view of the people or studios involved.
Can I find out my own type?
A free 46-question quiz places you in one of 64 types, from 16 MBTI types crossed with 4 attachment styles. No registration. Reading it alongside the Bungo Stray Dogs characters makes your own way of holding distance easier to see.
46 QUESTIONS
Who in Bungo Stray Dogs are you closest to?
You are placed in one of 64 types, MBTI crossed with attachment style.
About five minutes. No registration. Free.
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So which of them is closest to you
Among the 10 characters from this series, the most common attachment style is Secure, with 4 (40%). The most common MBTI is ISTJ. Once you know your own combination, the same list starts showing you who you are close to.
Seen from the outward personality Big Five test, and how you match your favourite Compatibility.
This type reading is not official. It is our own estimate from each character's publicly known words and actions, offered for entertainment.