Shiho Miyano

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Shiho Miyano

Shiho Miyano shown in her child form
Personnel File
Alias Ai Haibara, Sherry, Ai-chan (by Ayumi), Ai-kun (by Professor Agasa), Haibara
Age 18
7 as Ai Haibara
Gender Female
Relatives Atsushi Miyano (father)
Elena Miyano (mother)
Akemi Miyano (older sister)
Other Information
First Appearance

Anime Episode
The Girl from the Black Organization and the University Professor Murder Case,

Volume 18 File.6

Shiho Miyano (宮野志保 Miyano Shiho?) is a character and protagonist in the detective manga and anime Case Closed. Shiho is an ally, of the main protagonist Jimmy Kudo, and an ex-member and fugitive from the malevolent "Black Organization" which she betrayed. Although mentally an adult, her body has reverted back to childhood form due to an experimental poison, APTX 4869, which she developed for the Black Organization and subsequently used on herself in a failed suicide attempt. She often helps Jimmy Kudo with cases while she tries to develop an antidote for the poison she created.



Black Organization

Shiho grew up within the villainous secret crime syndicate, the "Black Organization," along with her sister, Akemi. She is the daughter of an English mother and a Japanese father,[1] also members of the Black Organization, both of whom are dead. A prodigy, she was sent to the United States for education at a young age, then came back to Japan as a biochemist to continue her parents' unfinished secret project in the Black Organization. Her code name in the Black Organization is Sherry.

Shiho was a 17 year old biochemist working on her late parents' secret project for which she developed the experimental poison APTX 4869. While researching its effects, she noticed that a rare few of her lab mice had become younger after being given the drug instead of dying. Meanwhile the Black Organization has been using APTX 4869 for untraceable murder. Unaware of the drug's rare side effect, the Black Organization orders a search for Shinichi Kudo because his body had not been found. Shiho searched Kudo's house for the Black Organization twice after he had been shrunk to confirm his death. She began to suspect his transformation after she searched his house for the second time and noticed his childhood clothes were missing. Shiho then confirmed him as deceased so the Organization would stop pursuing him.

Her dissatisfaction over the Black Organization's usage of one of her test compounds -- the APTX 4869-- for killing purposes, in addition to her open questioning over the murder of her sister Akemi Miyano resulted in her imprisonment and scheduled execution by the Organization. With no other way out, she decided to secretly commit suicide by taking a pill of APTX 4869.

However, it made her body shrink to that of about her seven-year-old self, the same fluke that happened to Shinichi Kudo. With her new small body, she escapes from the Black Organization and tries to find Shinichi before collapsing in front of his house.[2] She was then found and adopted by Dr. Agasa.

Ai Haibara

Ai Reveals Herself as Sherry

To prevent the knowledge of her transfiguration from being discovered she and Agasa created her alias Ai Haibara, known as .[3]Agasa suggested Ai from V.I. Warshawski and the kanji for love 愛. However, she deliberately chose the kanji for sorrow 哀 instead. The last name Haibara from Cordelia Gray because Gray means Hai.

She attends Teitan Elementary along with Shinichi. At first, Shinichi believes she is just a normal transfer student. However, when the Detective Boys get a case that may have a link to the Black Organization, Shinichi learns the truth. Ai is not just a normal transfer student but a rogue organization member who had actually invented APTX 4869 in the first place. She also vaguely hints that the organization knew of him and his relation to Agasa. Conan shocked at this news and believed that Agasa was killed, rushes home to discover him alive and well. Agasa had found Ai outside Shinichi's house after she had been shrunk and escaped the organizaiton.

Since her introduction to the series, Ai has often reappeared in the show. She is also working on an antidote to the drug so that she and Shinichi can get their body back.


Shiho has a disenchanted, mistrustful, sarcastic, and cold attitude and often reminds others about the darker side of reality and human nature. Anita also acts older than she is supposed to be in school, which the detective boys refer to as "cool". But dispite her cold acts, Shiho is actually a kind and caring girl.

She once said to Shinichi/Conan that she wished that she would forgot her memories about the Black Organization, the death of her sister and the pill. Because all she want is to be a normal little girl and lived together with Conan instead. But then as Conan was shocked by the words, Shiho immediately said that she was lying.

She is fearful of Black Organization members Vermouth, Gin and worries they will find her one day and kill her along with anyone who knows about her. When a Black Organization member is nearby, she can feel their malicious stares.

As Ai Haibara, she is very indifferent to the ideals pitched in by the Junior Detective League. Often she acts as a babysitter for them, explaining complicated matters to them or keeping them out of trouble. Still, she regards them all as the first real friends she has ever had.

Plot overview

Shiho was introduced as Anita Hailey as a new student in Conan's classroom. Later she reveals herself to Conan and reveals the facts about the Black Organization. She then attends the series as a regular cast and joins Conan in his investigation. She has had three run ins with the Black Organization. As the series progress, Anita had developed a temporary antidote to APTX 4869 and continues to tweak it until it becomes complete.

Appearances in other media

Anita Hailey has made appearances in Case Closed video games and through most of the series' movies since her introduction.



The Viz manga had her alias as Anita Hailey from Anna Katherine Green, the first American mystery writer, and Hailey was suggested by Agasa as it means "hero".

Her character voice role is done by Megumi Hayashibara in the Japanese version. Except the eight movie, her appearance was temporarily limited and showed in re-runs due to Megumi's pregnancy leave in the Summer of 2004.


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