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Ami Mizuno

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Ami Mizuno


Ami in Ami's First Love

Ami overhearing Naru and Usagi

Ayako Ami

Yukiko Ami

Hisano Ami

Mariya Ami


Namani Ami



Name: Ami Mizuno
Name (kanji/kana): 水野 亜美
Alignment: Moon Kingdom, Crystal Tokyo
Species: Human
Gender: Female
Birthdate: September 10th
Blood Type: A
Age: 14
Titles: None
Forms: Sailor Mercury
Super Sailor Mercury
Eternal Sailor Mercury
Princess Mercury
Lives: Azabu-Juuban, Minato Ward, Tokyo, Japan
Occupation: Student
Family: Saeko Mizuno (mother)
Unnamed Father
Ami Jr. (daughter, Parallel Sailor Moon only)
Associates: Solar System Senshi
Aliases: Sailor Mercury, Dark Mercury (PGSM only)
First Manga Appearance: Act 2 - Ami, Sailor Mercury
First Original Anime Appearance: Is the Genius Girl a Youma? Brainwashing School of Terror
First Musical Appearance: Pretty Soldier Sailor Moon ~ An Alternate Legend - Dark Kingdom Revival Story
First PGSM Appearance: Act 2 - Ami Became a Friend
First Second Anime Appearance: Act 2 - Ami, Sailor Mercury
Actors: Aya Hisakawa (all animes, as well as some of the games)
Chisaki Hama (PGSM)
Ayako Morino (musicals)
Yukiko Miyagawa (musicals)
Hisano Akamine (musicals)
Mariya Izawa (musicals)
Chieco Kawabe (musicals)
Manami Wakayama (musicals)
Miyabi Matsuura
Momoyo Koyama (current musical actress)
Bios: Manga Bio
First Anime Bio
Second Anime Bio
Sera Myu Bio
Galleries: Manga Gallery
First Anime Gallery
Second Anime Gallery

Ami Mizuno is the present-day incarnation and civilian identity of Sailor Mercury in all continuations of the Sailor Moon series. In all of these continuations, she is the civilian form of Sailor Mercury.

Profile and Personality

Before becoming friends with Usagi and the other Sailor Senshi, Ami was a shy girl who did not make friends easily, and preferred to spend time alone studying and reading books instead of being with her classmates. In return, many of her classmates believed her to be snobby and arrogant because of her intelligence, even being superhuman, as she always finished at the top of national exams. However, once Ami and Usagi became friends, the opinions began to change.

Ami is depicted to be a sweet, kind, gentle, and loyal girl who is slightly insecure. In the beginning, she relies on the opinions of her mother, classmates, and teachers, but as the series progresses, she becomes stronger and more confident. She is the most sensible out of the Inner Senshi, and she dislikes fights; especially the fights between Usagi and Rei. Ami's parents are divorced, and she lives with her mother in a condominium.

Ami dreams of becoming a doctor like her mother, and her favorite subjects are math and science. She also has a secret love of romance novels and pop culture, but is embarrassed to say it.


In every continuation of the Sailor Moon series, sans Pretty Guardian Sailor Moon, Ami has short dark blue hair, that reaches to about her shoulders, and blue eyes. She stands at about 157cm or 5 feet 2 inches. Also, at times, Ami will be seen wearing reading glasses.

In Pretty Guardian Sailor Moon, Ami has long black hair and brown eyes.


Ami was not included in the original proposal for a hypothetical Codename: Sailor V anime, which instead featured Minako's very similar-looking best friend from that series, Hikaru Sorano. She was present, however, by the time the concept was expanded to center on Sailor Moon.

Naoko Takeuchi designed Ami as the "team brain," giving her genius-level intelligence to create the impression that she was not quite human—in fact, the character was originally intended to be a cyborg with an accelerator. One possible storyline involved her losing an arm or being injured in some other way and dying from it, but Takeuchi's editor objected, and Ami became a fully human character.

Naoko Takeuchi once described Ami as looking similar to Noriko Sakai, a J-pop idol of the early 1990s.[1] In the original version of Act 2 - Ami, Sailor Mercury, Usagi thinks that Ami resembles Miss Rain, a character from another series written by Naoko Takeuchi called "Miss Rain".[2]

Certain background details of Ami's character were chosen symbolically—for instance, her Western astrological sign is given as Virgo, which in astrology corresponds to the planet Mercury. In reference to a popular Japanese belief, her blood type is given as A, supposedly indicating sensibleness and fastidiousness.


Ami: The kanji for A (亜) translates to "Asia" or "second", and the kanji for mi (美) translates to "beauty". So her first name could be either "Asian Beauty" or "Second Beauty".

Mizuno: The kanji for Mizu (水) translates to "water" while the kanji for no (野) translates to "field" or "civilian". The particle no (の) also indicates possession, so while the literal translation of her family name could be "water field" or "water civilian", others may translate it as "of the water." Also, Mizuno is a common surname in Japan.

Her name completely in hiragana/katakana would be "みずのあみ" (Mizuno Ami).


  • In the side story Ami's First Love it was revealed that Ami was allergic to love letters. Receiving them would cause her to break out in a rash.
  • It is speculated that her IQ is 300.
  • While the idea to make Ami a cyborg was ultimately rejected, later in the series the character Hotaru was a cyborg until her rebirth.
  • While Usagi and Minako hate it Ami's favorite subject is mathematics.
  • Ami bears a strong resemblance to Rena Kuramitsu from Naoko Takeuchi's one-shot story Miss Rain. When Usagi saw Ami for the first time in the manga, she said that she looked like Rena. This reference was removed in the 2003 re-release of the manga.


  1. Materials Collection, p.12
  2. Pretty Soldier Sailor Moon Volume 1 (tankōbon edition)
Sailor Senshi

Solar System Senshi Sailor MoonSailor MercurySailor MarsSailor JupiterSailor Venus/Sailor V
Other Senshi Sailor Luna
Civilian Identities Usagi TsukinoAmi MizunoRei HinoMakoto KinoMinako AinoLuna Tsukino
Allies Mamoru Chiba/Tuxedo MaskLunaArtemis

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