Shoko

Biodata

Feature	Value
Name	Shoko Ieiri (硝子) 3
Gender	Female 3
Affiliation	Tokyo Metropolitan Jujutsu High 2 17
Occupation/Role	Medical student; medic for Gojo and Geto; medical researcher 2 22 38
Status	Alive 49
First Appearance	Mentioned in Chapter 2; appears in Chapter 3 2 3

Background / History

Shoko belongs to the same school year as Satoru Gojo and Suguru Geto. Geto introduces her as their medic, explaining that frequent injuries keep her busy. She already uses Reverse Cursed Technique when Yang Jian arrives at Jujutsu High 2.

Her first meeting with Yang occurs in a hallway while she is carrying coffee. She directs him to Principal Yaga’s office and warns him that Yaga is upset about injured students. Later, she delivers clothes, necessities, fifty thousand yen, and temporary identification on Yaga’s behalf, then schedules Yang’s medical examination 3 4.

Appearance

Shoko is initially described as a young woman whose eyes already show a languid quality, without the full weariness Yang associates with her future self 3.

• Medical clothing: Usually wears a white coat; on one cafeteria visit, she wears a rumpled nurse’s uniform underneath it 6 22.
• Hair: Described as long; she hastily ties it back before a mission departure 11 31.
• Hands and wrists: Has slender, pale wrists, visible when her coat sleeves are rolled up 6.
• Fatigue: Frequently has dark circles beneath her eyes and a sleep-deprived expression 11 17 22 31.

Personality

Shoko is blunt, dryly humorous, and largely unimpressed by her companions’ antics. She calls Yang’s living allowance “hush money,” answers his examination-room jokes without hesitation, and openly questions whether Gojo can manage the practical responsibilities of raising Megumi 4 6 22.

Her detached manner does not prevent decisive care. When told that Gojo is apparently dead and Geto critically injured, she immediately gathers her medical kit without asking further questions. With Yang, she combines scientific curiosity with discretion: she studies his abnormal physiology but conceals sensitive results from the higher-ups rather than expose him to experimentation 17 22 24.

Abilities & Skills

Reverse Cursed Technique

Shoko can direct positive energy into other people to repair severe physical injuries 17 26.

• Tissue repair: Closes deep blade wounds, reconnects blood vessels, and restores torn flesh 17.
• Emergency treatment: Stabilizes Kijima in less than ten minutes despite extensive internal injuries, depleted cursed energy, and severe mental contamination 26.
• Limits against supernatural damage: Yang warns that the White Ghost’s injuries may not respond to her technique. Shoko later admits that she cannot guarantee repairs if his transformed body falls apart 8 31.
• Teaching difficulty: Gojo recalls being unable to understand her explanation of the technique, which relied on sounds such as “whoosh” and “shoom” 13.

Clinical Diagnosis

Her Reverse Cursed Technique gives her a more precise sense of the human body than an ordinary doctor’s 4.

• Detects a two-degree temperature difference on Yang’s hand by touch 4.
• Uses physical examinations, blood tests, thermal imaging, and cursed-energy aptitude testing to investigate his condition 6.
• Distinguishes external supernatural residue from bodily changes caused by cursed energy 6.
• Recognizes a suspected complete body replacement through missing calluses, altered skin texture, and vanished old injury traces 24.

Laboratory Research

Shoko investigates abnormal blood and cursed-spirit structures through cultures, microscopy, and controlled experiments 22 31 33 38.

• Tests whether Yang’s preserved blood can proliferate independently, consume living cells, and digest cursed energy 22 31 33.
• Studies preserved cursed-energy circuitry to reconstruct microscopic structures 38 39.
• Keeps sensitive patient data on a personal encrypted drive rather than in reports accessible to the higher-ups 24.
• Acknowledges that Yang’s supernatural condition lies beyond her current medical understanding 6 31.

Goldworking

Shoko operates a portable electric melting furnace during the White Ghost containment emergency 8.

• Melts Gojo’s gold bars using a graphite crucible and heat-resistant gloves 8.
• Supplies the cigarette case that Geto reshapes into improvised molds for the gold container 8.

Equipment / Items

• Medical case — Silver, two-tier emergency kit carried when Yang transports her to treat Geto 17.
• Diagnostic equipment — Stethoscope, handheld thermal imager, blood-collection supplies, and a cursed-energy aptitude testing disc 6.
• Laboratory equipment — Portable blood analyzer, microscope, incubator, and refrigerated sample storage 22 24 38.
• Encrypted drive — Stores Yang’s actual medical data outside the official reporting system 24.
• Goldworking supplies — Portable electric furnace, graphite crucible, and heat-resistant gloves 8.
• Cigarettes and cigarette holder — Frequently seen smoking or holding an unlit cigarette or holder; she is described as trying to quit 26 31 33.

Relationships

• Yang Jian — Patient and research collaborator. She monitors his transformation, protects his medical privacy, and accepts research materials without demanding their origins. Their rapport includes teasing and informal debts for food and drink 6 22 24 38.
• Satoru Gojo — Same-year schoolmate and companion. She examines his White Ghost injury, mocks his behavior, and challenges his readiness to raise Megumi; they also play together in the Okinawa shallows 2 8 15 22.
• Suguru Geto — Same-year schoolmate and patient. She heals his injuries after Toji’s attack, and he later relays her research findings to Yang 2 17 39.
• Masamichi Yaga — Principal whose instructions she carries out. She leaves questions about Yang’s power source to him while focusing on medical consequences 3 4 6.
• Utahime Iori — Receives Utahime’s complaints about Gojo after the mansion rescue 12.
• Kijima — Critically injured sorcerer whom she saves after Yang brings him back to Jujutsu High 26.

Story Role / Major Arcs

White Ghost Containment

• Helps manufacture the improvised pure-gold container while Yang’s Ghost Hand suppresses the White Ghost 8.
• Examines the pale, cold handprint left on Gojo’s chest. The following day, she confirms that it has vanished 8 9.
• Witnesses Yang demonstrate his Ghost Domain during negotiations for further gold supplies 9.

Hidden Inventory Mission

• Joins the team assigned to locate Utahime and Mei Mei before the Star Plasma Vessel escort mission, carrying a medical kit 11 12.
• Joins the group in Okinawa during Riko Amanai’s extended outing 15.
• Responds to Yang’s emergency summons after Toji’s ambush and heals the unconscious Geto. Gojo recovers through his own newly awakened Reverse Cursed Technique, not through her treatment 17.
• Returns to the infirmary after the immediate crisis, asking Yang to transport her back because she still has a report to rewrite 17.

Investigation of Yang Jian’s Physiology

Investigation	Findings and response
Initial examination	Finds a heart rate of 58, no cursed-energy aptitude, and cold patches on Yang’s hand and forehead. Concludes that his body holds an external power rather than generating it, and schedules follow-up observation 6.
Preserved blood	Discovers autonomous cell proliferation in a sealed, refrigerated sample without added nutrients. Withholds the results to prevent Yang from becoming a research specimen 22.
Suspected body replacement	Finds normal blood and vital signs, but notices missing calluses and old injury traces. Privately records a suspected complete body replacement while submitting a normal official report 24.
Living-cell tests	Finds that the preserved blood consumes living cells. A dose of only 0.1 milliliters kills a laboratory mouse by abruptly shutting down its functions without traumatic injury 31.
Cursed-energy test	Adds Grade 2 cursed-spirit tissue to the retained sample and observes one-sided consumption of its cursed energy, rather than fusion 33.
Continued observation	Reports that an isolated blood sample’s activity is beginning to rebound after days outside Yang’s body 38.
Later health monitoring	Flags a diastolic blood pressure of 58 and warns Yang about Kusumoto’s arriving personnel 49.

Cursed-Spirit Research and Discretion

• Keeps high-purity gold bars for Yang and correctly guesses that he intends to use them for supernatural containment 34.
• Accepts rare cursed-spirit remains from Yang, checks their containment risks, and does not press him about their origin 38.
• Determines that two purple crystals retain over seventy percent of their internal cursed-energy circuitry, with a microscopic mesh unlike known specimens; requests additional samples through Geto 39.
• Continues studying a supplied cursed-energy core whose structure differs from an ordinary core. According to Gojo, she believes it could support at least three papers 44.

Notable Quotes

“Your body is the vessel, not the source.” 6

“I’ll keep your actual data on my personal encrypted drive, as usual. Don’t worry. The higher-ups won’t get it.” 24

“I can stitch Satoru Gojo’s guts back together after they’ve been shredded by a knife, but I can’t even figure out why your skin is that temperature.” 31