Oblivion Battery is about what comes after the setback for a group of baseball prodigies. Kei, the brain who lost his memory; Kiyomine, the arm who throws to nobody else; Todo, who hated the game and could not put it down. Every one of them has broken once. Because Kei's amnesia is drawn as the mind taking shelter from the weight of expectation, this is in substance a story about mental health.
This page reads 5 Oblivion Battery 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 Oblivion Battery 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.
Kiyomine, fearful-avoidant, attaching to one person and no one else, and Yamada, secure, catching everyone who has broken — that is the frame of this work. Read the psychogenic amnesia as the limit of the anxious pattern and the meaning of Kei-chan's innocence changes.
🧩 Reading the relationships in Oblivion Battery through attachment
Oblivion Battery is about a genius who lost his memory and about everyone around him starting again. Kei has lost the memory of having been the team's brain; Kiyomine throws to nobody but Kei. Yamada works fine without being the lead, and Todo goes on hating baseball with the memory of his defeat never updated. Those who know the past and those who do not are in the same place, and that is where the complications come from.
📖 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.
⚾ Haruka Kiyomine: MBTI ISTP, attachment fearful-avoidant
He has an amazingly strong arm that can only throw to Kei, and he can only catch Kei's balls. He is taciturn and unfriendly, but his attachment to his partner is deeper than anyone else.
MBTI radar (ISTP dominant four axes + attachment stability)
Big Five radar (five factors + hidden-side axis)
Why Haruka Kiyomine is ISTP × fearful-avoidant
Builds his baseball out of feel and body and cuts the words down to the minimum — an ISTP of introverted thinking (Ti) and extraverted sensing (Se).
⚾ Kei Kaname: MBTI ESFP, attachment anxious
He lost his memory of his former "Chisho" and became a natural "Kei-chan". Beneath the brightness, the burden I left behind sleeps.
MBTI radar (ESFP dominant four axes + attachment stability)
Big Five radar (five factors + hidden-side axis)
Why Kei Kaname is ESFP × anxious
Laughs with whatever the room is doing and throws himself at the world openly — an ESFP of extraverted sensing (Se). The psychogenic amnesia is shelter from the weight of having to go on being the brain everyone expects. An anxious mind carrying too many conditions for being loved set the luggage down, memory and…
⚾ Taro Yamada: MBTI ESFJ, attachment secure
A former strong senior catcher. He is the big brother of the restart, uniting the geniuses with Tsukkomi and caring.
MBTI radar (ESFJ dominant four axes + attachment stability)
Big Five radar (five factors + hidden-side axis)
Why Taro Yamada is ESFJ × secure
Stands between a set of very particular prodigies, keeps things moving and never misses the follow-up — an ESFJ of extraverted feeling (Fe). He has broken at baseball himself and is not cringing about it, and he can hold the others; that capacity belongs to someone who broke and never doubted the ground under a relationship.
⚾ Aoi Todo: MBTI ENTJ, attachment avoidant
An elite strong hitter who was defeated by Tomomasa and Kei in middle school and hated baseball but couldn't give up.
MBTI radar (ENTJ dominant four axes + attachment stability)
Big Five radar (five factors + hidden-side axis)
Why Aoi Todo is ENTJ × avoidant
Works backwards from the target and trains himself into it — an ENTJ of extraverted thinking (Te). He covers the wound of his defeat with the irony of never being serious again, and keeps his distance by hiding what he can do. Cutting off expectation and attachment before either can betray you is the avoidant defence.
⚾ Shunpei Chihaya: MBTI ISTP, attachment avoidant
Todo's partner's swift and skillful attack. He is an easy-going cynic who never shows his true feelings.
MBTI radar (ISTP dominant four axes + attachment stability)
Big Five radar (five factors + hidden-side axis)
Why Shunpei Chihaya is ISTP × avoidant
Watches the situation with a cool eye and gets out on the least force necessary — an ISTP of introverted thinking (Ti). The grinning banter is insurance against being hurt by trying. Expect nothing, invite nothing, go nowhere deep: the avoidant's three-step, straight out of the textbook.
❓ Frequently asked questions
How many Oblivion Battery characters are listed here?
Oblivion Battery currently has 5 characters listed. Each one carries MBTI, attachment style and a Big Five type, with the reasoning for the call. (Haruka Kiyomine, Kei Kaname, Taro Yamada and others)
Which attachment style is most common in Oblivion Battery?
Of the 5 listed here, the most common is avoidant at 2 (40%). On MBTI, ISTP 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 Oblivion Battery cast makes your own way of keeping distance easier to see.
46 QUESTIONS
Who in Oblivion Battery 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 5 characters in this work, the most common attachment style is Avoidant, with 2 (40%). The most common MBTI is ISTP. 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.