Yoko

Girl who lost speech and leg functions due to pollution disease

A girl who lost the ability to speak and walk due to pollution disease from factory wastewater. She recovered through Black Jack's treatment and became temporarily independent, but met a tragic end.

Trivia

  • Yoko is a character who, as a girl who lost her speech and leg functions due to pollution disease, evoked particularly deep sympathy among Black Jack's patients.
  • In the OVA version, her name is given as 'Tsukiko'.
  • After treatment, she recovered to the point of being able to write katakana, but the tragic episode of her subsequent drowning remains in the hearts of many fans.
  • Her model is inspired by real pollution victims at the time when pollution issues were becoming social problems.

Alternate names

Tsukiko

Tags

Profile

Species
Human
Gender
Female

Appearance

Overall appearance
Young girl. Has disabilities in parts of her body due to illness, but has black hair and the appearance of an ordinary Japanese girl.
Hair color
Black
Distinguishing features
  • Unable to speak due to speech disorder
  • Unable to walk due to leg dysfunction
Iconic items
  • None

Personality and abilities

Core personality
Kind
Detailed personality
Innocent and kind girl. Despite suffering from pollution, she possesses purity and earnestness. A poignant existence that evokes sympathy from those around her.
Keywords
  • Innocent
  • Kind
  • Pure
  • Suffering
  • Frail
Talents
  • Strength to live
Motivation
Wish for recovery from suffering and a normal life

History

Backstory
Due to pollution disease, she lost her language function and ability to speak, as well as her leg function. Having no relatives, even the public health doctor trying to expose the factory's wrongdoing initially did not act. She underwent surgery and treatment by Black Jack, gradually recovering her speech until she could write in katakana. However, after recovery, she drowned while going to catch fish in the sea, meeting a tragic end.
Debut date
circa 1973
Work title
Black Jack
Media type
Manga
Episode or chapter
The Sinking Woman

Onset of pollution disease

Significant event
Onset of pollution disease
Description
Lost language function and leg function due to beryllium poisoning from factory wastewater.

BJ's treatment

Significant event
BJ's treatment
Description
Received treatment from Black Jack, recovering language function.

Drowning

Significant event
Drowning
Description
After treatment, went to the sea to catch fish, drowned, and met a tragic death.

Relationships

Black Jack

Doctor

The doctor who treated her for free and led her to recovery

Media appearances

Black Jack

Manga / Supporting

Serialization started in 1973

Black Jack OVA

Anime / Supporting

OVA 'The Sinking Woman'

Voice cast and creators

Tomieko Orikasa

Voice actor
Tomieko Orikasa
Language
Japanese
Version or series
OVA

Tomieko Orikasa

Voice actor
Tomieko Orikasa
Language
Japanese
Version or series
TV anime

Osamu Tezuka

Creator name
Osamu Tezuka
Role
Original author

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