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Eri Mizutani

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Eri Mizutani
Eri (iM@S 2 Icon).png
THE iDOLM@STER Second Vision Data
Name: 水谷絵理 (Mizutani Eri)
Voice actor: 花澤香菜 (Hanazawa Kana)
Age: 15
Height: 152 cm
Weight: 36 kg
Birthday: March 7th
Blood type: B
Three sizes: 82-53-76 cm
Handedness: Right
Hobbies: Video Editing,
Horoscope: Pisces
Hometown: Chiba
Image Color:     
Birthday Banners

Eri Mizutani (水谷絵理 Mizutani Eri) is an idol from 876 Production, who first appeared in the THE iDOLM@STER Dearly Stars game. She is voiced by Kana Hanazawa (花澤香菜 Hanazawa Kana).


THE iDOLM@STER Dearly Stars Statistics

Vocal Low
Dance Medium
Visual High

Character Description

Eri is a shy and reserved girl, a hikikomori once claiming internet celebrity status under the alias ELLIE. She often chats online with Cineria, but has trouble speaking with others, particularly loud people. She will often run away if she feels intimidated.

Eri has short, roughly chin length (although it is longer on the left side), navy-blue hair, swept out of her eyes with a wide silver barrette. Her hair tapers towards her neck. She has small, almond-shaped light blue eyes. She wears a plain, short-sleeved white shirt with a red ribbon around the neck under a brown blazer. Her jacket is marked with a gold emblem on the left breast pocket. Various official art shows that she wears a navy blue, plaid, almost knee length skirt as well; however, this isn't apparent in the game, which only shows the idols from waist up. Overall, her casual outfit strongly resembles a school uniform of some sort.

Game Appearances

THE iDOLM@STER Dearly Stars

One day the net idol ELLIE receives a message from a producer named Reiko Ozaki who encourages her to debut as a real idol. Eventually she is able to build up the courage to meet Ozaki in person. Ozaki asks ELLIE for her real name and she says that her real name is Eri Mizutani. She then makes her debut at the 876 Production. She meets Ai and Ryo there and decides to give up being a net idol and hikikomori. There she is given a chance to prove she can succeed as a real idol.

Eri's first major test as an idol comes when Ozaki challenges her to defeat 765 Production's idol Miki Hoshii, who has become known as the "Visual Queen" for her top-class looks. Although Eri has plenty of skill at coordinating digital visuals, she must adapt her skills to work in the real world if she is going to have any hope at dethroning Miki.


Eri makes her first HD appearance in THE iDOLM@STER 2, where she is downloadable in the fifth PS3 DLC catalog as an in-story rival and for use at S4U!. Her exclusive songs to perform are "Precog" and "shiny smile". Her appearance has not changed in design since this update.

THE iDOLM@STER: Gravure For You!

Eri also appears in Volume 8 of THE iDOLM@STER: Gravure For You! series as a guest idol, wearing a pastel colored bikini and in a new background stage. She sings the BGM music "Precog", "shiny smile", and "HELLO!!" in this mode. She uses the same model as her iDOLM@STER 2 appearance. She has an introduction video featured in Volume 8.


Eri Mizutani appears as a rival in the STAR OF FESTA mode for Honey Sound, Groovy Tune, and Funky Note. She is an A rank rival who can give her Name Card to the player while in the HARD difficulty. Obtaining her Name Card adds 40 points to the player's score after their performance.

Eri Mizutani (left) with Ai Hidaka (middle) and Ryo Akizuki (right) in the unit Dearly Stars.


Initially, Eri is the Rank Up Festival boss for the D2 rank, where she displays her skill, 虹色の夢 (Rainbow Colored Dream), which scrambles your appeal interest rate % at end of burst of her burst. She is only available to be seen while she burst appeals, which displays her performing the song Precog in her 876PRO COOL ERI costume. Unfortunately, she is unable to be outside of the short time from the burst appeal.

However, she later debuted in the unit Dearly Stars alongside her fellow 876 Production idols: Ai Hidaka and Ryo Akizuki. Reprising a performance similar to her iDOLM@STER 2 appearance, her unit displays the song "HELLO!!".


Eri Mizutani and Ai Hidaka make a cameo appearance in one of Ryo Akizuki's SR+ card.

Other Media Appearances

THE iDOLM@STER (anime)


THE iDOLM@STER Splash Red for Dearly Stars

THE iDOLM@STER Innocent Blue for Dearly Stars

Eri is the main protagonist of this manga. It is a retelling of her route from Dearly Stars.

THE iDOLM@STER Neue Green for Dearly Stars

Song Discography

Image Songs


Personal Songs


Recorded Solo Songs

Recorded Group Songs

Drama CD Appearances

THE iDOLM@STER Innocent Blue Volume 3 Special Edition Bonus Drama CD


  • Eri has an official blog called Fountain of Ellie. The last update was made on her birthday in 2010.
  • At times, Eri tends to say or sing "Nukonuko-, nukonuko, nuko" to herself. "Nuko" is a popular internet corruption of "neko", or cat. Therefore, she is saying something like "kitteh kitteh~".
  • Due to spending most of her time on the internet, some of Eri's choice dialogues have answers directly quoted from Terry Bogard from The King of Fighters, such as "Hey you, nice body!", "Hey! come on, come on!" "Are you okay!?" and "Lock on set!". There are also unconfirmed rumors about Eri actually saying "Fire Knuckle!" somewhere in the game.
    • Some of Eri's quotes and dialogue choices are quoted from other video games than the statement above. "たやすい事ではない" ("Were it so easy" quoted by the Arbiter in Halo 3), "あたしには、もう…憂いはない" ("I have nothing more to regret..." quoted by Siegfried in Soulcalibur IV), and "あたしは、天使たちと踊る…" ("I'll be dancing with the angels...") quoted in Ace Combat 6).
    • Eri also quotes memes from Nico Nico Douga and 2chan, such as "どういうことなの…", "ほっほほほ元気だね", "ゆっくり!", "やめて!貴方のライフはもうゼロよ!", "救いはないね…" and many more.
  • Eri has a habit of speaking as though she is asking a question.
  • Eri also has a habit of screaming "ひう" (Qui) when frightened.
  • In THE iDOLM@STER Dearly Stars, she writes the song Precog together with her producer, Reiko Ozaki.
  • In the strategy book THE iDOLM@STER Dearly Stars Delicious Album (アイドルマスター ディアリースターズ デリシャスアルバム), Eri's name is actually misspelled as "絵里".
  • Eri likes ordering things online, but once the packages arrive she usually doesn't open them since she's already satisfied with the purchase and the choosing she did.
  • Eri has a bluescreen in her room.
  • Eri shares the same birthday with Sanae Katagiri and Hideo Akuno.
  • As with Ai, Eri's hometown was not listed in her original profile data, while her Cinderella Girls data listed it as "876 Production". It was only in 2020 with the release of the official idol list that her official hometown was released.

Character Gallery


Weiβ Schwarz TCG Cards

THE iDOLM@STER: Cinderella Girls Cards