All characters are 18+

Shiori Amatsuka — Jujutsu Kaisen OC

呪術廻戦 • JUJUTSU KAISEN

Basic Information

• Full Name: Shiori Amatsuka (天塚 栞)

• Nickname: Shio

• Age: 18

• Gender: Female

• Birthday: November 19

• Height: 167 cm (5'6")

• Affiliation: Tokyo Metropolitan Curse Technical College

• Year: First-year student

• Sorcerer Grade: Grade 2

• Potential: Grade 1

• Cursed Technique: Violet Ruin

• Personality: Arrogant, attention-seeking, competitive, flirtatious, manipulative, and openly judgmental.

Appearance

Shiori is a beautiful young woman with an appearance that immediately attracts attention. She has exceptionally long, silky black hair with deep violet undertones that fall past her waist. Her straight bangs frame her face, emphasizing her bright amethyst-purple eyes, long eyelashes, and delicate features.

Her eyes glow an intense violet whenever she channels cursed energy. She has fair skin, a slender figure, and an elegant posture that she uses to make herself appear sophisticated and effortlessly attractive.

She wears the standard dark-indigo Jujutsu High uniform, tailored closely to her figure, with a high collar, gold ornamental buttons, a black belt, and fitted sleeves. She accessorizes with small gold earrings and a violet flower-shaped hairpin.

Shiori is extremely particular about her appearance. She checks her reflection whenever she gets the chance and becomes irritated when someone else's outfit or looks receive more compliments than hers.

Personality: The Openly Hostile Pick-Me Girl

Shiori is the kind of pick-me girl who doesn't merely try to make herself look better than other girls. She openly insults them, mocks their appearance, and announces that she is better than them whenever she gets the opportunity.

She believes she is prettier, more feminine, more desirable, and more interesting than practically every girl she meets. In her mind, other girls are jealous, dramatic, desperate for attention, or simply incapable of understanding what boys actually want.

Unlike someone who hides her hostility behind subtle remarks, Shiori has absolutely no problem saying something cruel directly to another girl's face. She will smile while delivering an insult and act genuinely confused when the other person becomes angry.

Her Most Noticeable Traits

• Openly insults other girls: She criticizes their clothes, makeup, personalities, voices, and behavior without hesitation.

• Constantly compares herself to other girls: If someone receives a compliment, Shiori immediately finds a reason to explain why she deserves one more.

• Desperately seeks male attention: She giggles excessively around boys, acts helpless over simple tasks, and flirts whenever she thinks someone attractive is watching.

• Belittles feminine confidence: She calls girls who enjoy dressing up or expressing themselves conceited, even though she spends hours perfecting her own appearance.

• Pretends to hate drama: She frequently starts arguments herself, then complains that other girls are being aggressive when they respond.

• Cannot tolerate rejection: If a boy isn't interested in her, she immediately decides that he has terrible taste or that another girl has manipulated him.

• Treats kindness as competition: She may help a boy with something simple, then loudly point out how much more considerate she is than the girls around him.

• Has an enormous ego: She genuinely believes that most people would prefer her company if they could just see how special she is.

Things Shiori Would Actually Say

When Nobara receives a compliment:

"Oh, you think she's pretty? Seriously? I mean, I guess if you like that kind of look. Personally, I wouldn't leave the house dressed like that."

When another girl talks confidently around Yuji:

"Could you stop shouting? It's embarrassing. Some girls really think being loud makes them interesting."

When Nobara calls her out:

"God, you're so aggressive! This is exactly why I prefer hanging out with guys. They're actually fun to be around instead of getting offended by everything."

When a boy helps her carry something:

"Aw, thank you! See, this is why I get along better with boys. They're so much sweeter than girls. Girls would probably just stand there judging me."

When Megumi rejects her flirting:

"Excuse me? You're acting like you're some kind of prize. Don't worry, I'm not desperate enough to chase you."

When a girl looks better than her:

"She's not even that pretty. Her makeup is doing most of the work, and her personality is probably awful anyway."

Shiori doesn't always need a reason to insult someone. Sometimes, she simply dislikes a girl because that girl is attractive, confident, popular, or receiving attention that Shiori wants for herself.

Cursed Technique: Violet Ruin

Shiori's innate cursed technique allows her to generate, compress, and manipulate destructive violet cursed energy. Her energy appears as brilliant purple light surrounded by flickering black sparks.

Although she spends much of her time worrying about her appearance and popularity, Shiori is a capable sorcerer with excellent control over ranged attacks.

Technique Applications

1. Violet Pulse

Shiori releases a concentrated blast of violet cursed energy from her palm, sending opponents flying backward.

2. Ruinous Petals

She creates multiple petal-shaped blades of violet energy that orbit her body. She can launch them individually or direct several toward a target simultaneously.

3. Amethyst Lance

Shiori compresses her cursed energy into a narrow, piercing beam capable of penetrating an opponent's defenses.

4. Violet Reversal

She unleashes a short-range explosion around herself, interrupting incoming attacks and creating an opportunity to escape.

5. Ruin Cascade

Her strongest standard technique. She gathers a large sphere of violet cursed energy before releasing a barrage of destructive blasts across a designated area.

Weaknesses

• Her strongest techniques consume significant cursed energy.

• Maintaining multiple energy blades requires concentration.

• She struggles against skilled close-range opponents who prevent her from creating distance.

• Her pride makes her reckless when someone challenges her abilities.

• She sometimes wastes valuable energy trying to prove that she is stronger than another sorcerer.

Domain Expansion: Violet Catastrophe

Shiori's incomplete Domain Expansion transforms the surrounding area into a dark-violet void filled with floating fragments of shattered stone and enormous rings of glowing cursed energy.

Purple lightning illuminates the sky while countless violet spheres hover around the battlefield.

Inside the domain, Shiori can control the direction of her cursed energy attacks with greatly enhanced precision, bombarding opponents from multiple angles.

However, her domain lacks a fully developed sure-hit effect and consumes an enormous amount of cursed energy. She can maintain it only briefly.

Relationships at Tokyo Jujutsu High

Nobara Kugisaki — Her Biggest Female Rival

Shiori and Nobara despise each other's attitudes.

Nobara refuses to tolerate Shiori's insults, especially when Shiori criticizes her fashion, confidence, or appearance. Unlike some people who might ignore Shiori's comments, Nobara responds immediately and gives as good as she gets.

Shiori particularly hates that Nobara is confident without needing male approval.

Shiori: "You seriously think dressing like that makes you attractive?"

Nobara: "And you seriously think a personality like yours makes you attractive?"

Shiori: "At least boys actually like me!"

Nobara: "Congratulations. Want a trophy, or should I buy you a personality instead?"

Shiori considers Nobara obnoxious, conceited, and unbearably aggressive. Nobara considers Shiori an insecure hypocrite who mistakes cruelty for superiority.

Yuji Itadori — Her Favorite Audience

Shiori initially adores Yuji because he's friendly, enthusiastic, and easy to talk to. She laughs at his jokes, praises his strength, and frequently finds excuses to sit beside him.

However, Yuji is uncomfortable when she insults Nobara.

He doesn't understand why Shiori constantly needs to put other girls down, and he eventually starts calling her out instead of laughing along with her.

Shiori finds this infuriating because she expects Yuji to appreciate her sweetness rather than question her behavior.

Megumi Fushiguro — The Boy She Cannot Impress

Shiori thinks Megumi's quiet, serious demeanor makes him attractive. She tries flirting with him, acting helpless around him, and suggesting that other girls are too loud or dramatic for his taste.

Unfortunately for her, Megumi doesn't care.

He sees through her behavior and refuses to participate in her comparisons.

Whenever Shiori insults Nobara in front of him, he bluntly points out that Shiori is the one causing problems.

His indifference makes her feel as though she has personally lost a competition she assumed she was winning.

Satoru Gojo — Her Teacher

Gojo finds Shiori's dramatic personality entertaining at first, but he refuses to let her behavior interfere with missions or teamwork.

He recognizes her genuine combat potential and pushes her to improve. He also deliberately pairs her with Nobara on exercises, much to Shiori's horror.

Gojo's reasoning is simple: if Shiori wants to become a great sorcerer, she needs to learn how to work with people she doesn't like.

Shiori insists that Nobara is impossible to work with.

Gojo cheerfully reminds her that Nobara isn't the one complaining every five minutes.

Backstory

Shiori grew up receiving praise for her beauty, charm, and academic achievements. As a child, she learned that being admired could make people treat her differently, and she became increasingly dependent on that attention.

When she discovered her cursed technique, her confidence grew even further. She believed her natural talent proved that she was exceptional.

However, as she entered adolescence, she began encountering girls who were just as attractive, talented, or popular as she was. Rather than accepting that she wasn't always going to be the center of attention, Shiori developed a habit of belittling her competition.

She eventually became a jujutsu sorcerer, where her destructive cursed technique earned her recognition.

Yet Tokyo Jujutsu High presents her with a problem she has never successfully solved: she is surrounded by people who judge her by her actions rather than her appearance.

For the first time, being pretty and charming isn't enough to guarantee that everyone likes her.

And Nobara Kugisaki, in particular, has no intention of letting her get away with anything.

Character Summary

Shiori Amatsuka is a beautiful, talented, and painfully arrogant eighteen-year-old first-year sorcerer who believes she is superior to other girls. She openly insults women she considers competition, flirts with boys to gain their attention, and treats every social interaction like a contest she must win.

Her cursed technique makes her genuinely dangerous in battle, but her greatest weakness is her need to prove that she is better than everyone else.

Shiori doesn't secretly want to be like other girls. She wants to be the girl everyone chooses instead.