NANA has not let go of its readers in twenty years because it wove the story out of nothing but the painful part of love. Nana turned being abandoned into songs; Hachi cannot stand without a romance; Takumi loves in the shape of a contract; Ren comes apart inside the fame. Everyone's attachment wound tangles with everyone else's until it is a tragedy. A textbook of attachment theory for adults.
This page reads 6 NANA 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 styles across the NANA 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.
Nana and Hachi sharing a flat is the sample of an avoidant and an anxious person living together. Each is drawn to what the other is missing, and that is exactly why they wound each other so deeply — and plenty of readers are running the same structure in their own relationships.
🧩 Reading the relationships in NANA through attachment
NANA is about lives that fork according to how loneliness gets handled. Hachi cannot bear a stretch without a boyfriend; Nana grows more afraid of losing the more she is loved. Ren is alone inside the fame, and Shinichi sold his loneliness wearing an adult's face. Yasu never says what he feels and is always there when he is needed. The same Tokyo, and everyone filling the same gap in a different direction.
📖 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.
🎤 Nana Osaki: MBTI ISTP, attachment fearful-avoidant
I turned my abandoned past into a song. A vocalist who is afraid of losing the more loved he is.
MBTI radar (ISTP dominant four axes + attachment stability)
Big Five radar (five factors + hidden-side axis)
Why Nana Osaki is ISTP × fearful-avoidant
A craftsman's temperament that converts everything into songs and guitar — an awkward ISTP of introverted thinking (Ti-Se). She turned being left by her mother into music. The more she is loved the more frightening one day losing it becomes, so she backs away first: a vocalist who is fearful-avoidant.
🍓 Nana Komatsu: MBTI ENFP, attachment anxious
You can't stand without love. Hachiko's loneliness causes him to make poor choices.
MBTI radar (ENFP dominant four axes + attachment stability)
Big Five radar (five factors + hidden-side axis)
Why Nana Komatsu is ENFP × anxious
Naturally friendly and in love with being in love — an ENFP of extraverted intuition (Ne-Fi) with the feelings wide open. She cannot stand without a romance, and loneliness keeps making her choose wrong. The dependence that gets her nicknamed Hachi, after the dog who kept waiting, is a textbook of the fear of being left.
🎸 Takumi Ichinose: MBTI ENTJ, attachment avoidant
Ruler of Tranes. A man who treats love and marriage as an extension of running a band, and whose love is like a contract.
MBTI radar (ENTJ dominant four axes + attachment stability)
Big Five radar (five factors + hidden-side axis)
Why Takumi Ichinose is ENTJ × avoidant
The one actually running TRAPNEST — an ENTJ of extraverted thinking (Te) who processes a band and a romance the same way, as contracts. A man who had no place at home as a child can only hold a relationship together by owning and managing it. His way of loving took the shape of a contract: avoidant.
🕶 Yasu: MBTI ISTJ, attachment secure
A quiet drummer who acts as everyone's protector. An adult who doesn't express his feelings, but is always there when you need him.
MBTI radar (ISTJ dominant four axes + attachment stability)
Big Five radar (five factors + hidden-side axis)
Why Yasu is ISTJ × secure
A lawyer's mind and a drummer's precision — an ISTJ of introverted sensing (Si-Te) who acts as everyone's guardian. He never once says what he feels for Nana and is always there when she needs him. Choosing her steadiness over his own feelings coming good is what a steady adult can do.
🎤 Ren Honjo: MBTI ISFP, attachment fearful-avoidant
Raised as an orphan, he was lonely even in his glory. A guitarist whose love for Nana and the urge to self-destruct coexist.
MBTI radar (ISFP dominant four axes + attachment stability)
Big Five radar (five factors + hidden-side axis)
Why Ren Honjo is ISFP × fearful-avoidant
An orphan who left the home with nothing but a guitar — an ISFP of introverted feeling (Fi) and wanting. Inside TRAPNEST's fame the loneliness at the root does not fill in, and a deep love for Nana lives alongside the pull towards drugs and coming apart. Being loved never quiets the certainty of one day losing it: a fearful-avoidant tragedy.
🐈 Shinichi Okazaki: MBTI ISFP, attachment fearful-avoidant
A 15-year-old who has no place at home. The band was the only real home I felt, selling my loneliness with an adult face.
MBTI radar (ISFP dominant four axes + attachment stability)
Big Five radar (five factors + hidden-side axis)
Why Shinichi Okazaki is ISFP × fearful-avoidant
Left home at fifteen and sold his loneliness wearing an adult's face — a precocious ISFP of introverted feeling (Fi). A child his parents did not need can only be his own age inside the band, which is a family of sorts. Taking payment in place of love is a fearful-avoidant defence.
🔬 A column digging into how the people in NANA are connected
For readers who want more than one character at a time.the relationship itself taken apart through attachment theory.
❓ Frequently asked questions
How many NANA characters are listed here?
NANA currently has 6 characters listed. Each one carries MBTI, attachment style and a Big Five type, with the reasoning for the call. (Nana Osaki, Nana Komatsu, Takumi Ichinose and others)
Which attachment style is most common in NANA?
Of the 6 listed here, the most common is fearful-avoidant at 3 (50%). On MBTI, ISFP leads with 2. Ways of keeping distance differ even inside one work, so the same MBTI does not mean the same way of relating to people.
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 crosses the 16 MBTI types with the 4 attachment styles into 64 types. No sign-up. Reading it against the NANA cast makes your own way of keeping distance easier to see.
46 QUESTIONS
Who in NANA 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 6 characters in this work, the most common attachment style is Fearful-avoidant, with 3 (50%). The most common MBTI is ISFP. 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.