Eri Mizutani

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Eri Mizutani
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 Nintendo DS game THE iDOLM@STER Dearly Stars.

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. And she wears a navy blue, plaid, almost knee length skirt as well. 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.

THE iDOLM@STER 2 (PlayStation 3)

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.

THE iDOLM@STER Million Live!

Eri, alongside Ai and Ryo, makes a cameo appearance in one of Mirai Kasuga's SR cards, titled Hot-Blooded Rebounder.


Eri makes a guest appearance in the eleventh mini DLC album titled Ami/Mami friends "Future", in which she performs her song "Precog".


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+ cards, titled Candid Shot+.

THE iDOLM@STER Starlit Season

Eri Mizutani cameos as part of the unit Dearly Stars, along with Ai Hidaka and Ryo Akizuki, as a possible rival the player can face.

Other Media Appearances

THE iDOLM@STER (anime)

Eri Mizutani makes a guest appearance in episode 10 of the anime along with Ai Hidaka and Ryo Akizuki as a trio of good friends from 876 Production. They are not the main focus of the story, but they do have a few lines of dialogue with the other two.


Although Eri, Ai, and Ryo do not appear directly in the movie, their idol activities can be seen on posters and advertisements in the movie.


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 had an official blog called Fountain of Ellie, which was updated regularly until 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~".
  • 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 storyline of 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". Like Ai, her official hometown was finally revealed in 2020 with the release of the official idol list.

Character Gallery


Weiβ Schwarz TCG Cards

THE iDOLM@STER Cinderella Girls Cards