Seira Mizuki
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Seira Mizuki (水木聖來 Mizuki Seira) is one of the characters available in THE iDOLM@STER Cinderella Girls and THE iDOLM@STER Cinderella Girls Starlight Stage. She is currently unvoiced.
Statistics
Annual Rankings
| Event | Prelim Rank | Final Rank |
| 1st Cinderella Girl General Election | Unranked | Unranked |
| 2nd Cinderella Girl General Election | Unranked | Unranked |
| 3rd Cinderella Girl General Election | Unranked | Unranked |
| 4th Anniversary Voice Idol Audition | Unranked | 40 |
| 4th Cinderella Girl General Election | Unranked | Unranked |
| 5th Cinderella Girl General Election | Unranked | Unranked |
| 6th Cinderella Girl General Election | Unranked | Unranked |
| 7th Cinderella Girl General Election | Unranked | Unranked |
| 8th Cinderella Girl General Election | Unranked | Unranked |
| 9th Cinderella Girl General Election | Not applicable | Unranked |
| 10th Cinderella Girl General Election | Not applicable | Unranked |
| Stage for Cinderella | 6 | Not a candidate |
Biographies
THE iDOLM@STER Cinderella Girls Self-Introduction
"I'm Seira Mizuki. You can call me Seira. I've got pretty good confidence in my dancing. Outside of dancing… Well, I'll have to train and learn. Producer, will you help me?"
Character Description
It was revealed in Starlight Stage that she used to dance during her high school days. After she graduated, Seira tried to find time to keep dancing, but because of work and her friends not taking the dance practices seriously; Seira almost gave up on ever dancing professionally. When she met the Producer while practicing dancing on the street, Seira decided to become an idol so that she could dance on a stage again. She is friends with Sarina Matsumoto and Megumi Ijuin.
In the tie in Cinderella Girls Theater skits, Seira is depicted as an insightful idol, being the first to discover Shino Hiiragi's onstage drinking habits and Eve Santaclaus's lack of decency. Seira seems to be competitive for the Producer's affection. She owns a Golden Retriever, who occasionally makes appearances with Seira. She loves to dance for hours on end, and is very spontaneous when embarrassed. She admits that she thought bunnies made the noise "Pyon!", and likes the concept of the Western bunny girl costume.
| Deremail Questions | ||
|---|---|---|
| Originally posted 08/15/2021. Translation source. | ||
| Seira: Good evening! Mizuki Seira here! I'll be answering the DereMails you sent to me! | ||
| Question: What's the talent of Wanko-kun? | ||
| Seira: Fufufu My dear Wanko's nice and smart. I guess he can do pretty much anything. #DereMail | ||
| Seira: Like the other day, I left my memo pad in the living room and Wanko brought it to me when I was leaving by the door! | ||
| Seira: Wanko's really a nice boy! I patted him a lot for that! | ||
| Question: Do you like cats? | ||
| Seira: Yeah! Aren't they cute! And they're so soft, both their fur and their bodies! #DereMail | ||
| Seira: And I know how those people feel when they want to kiss cats. As in you'd want to kiss those cuties! | ||
| Question: Seira-san, I know you're good at dancing but can you do splits? | ||
| Seira: I sure can! Also, I've been able to do a steady I-balance position lately. #DereMail | ||
| Seira: It's better to have a flexible body! I'm going to keep my guard up and maintain my flexibility! | ||
| Question: How many pairs of shoes have you worn out for dancing? | ||
| Seira: I wonder. I don't recall that I have worn out that many. Or rather, maybe none? #DereMail | ||
| Seira: Like when I was just starting to dance, I'm not that good in doing the steps that I worn the soles out in weird ways. That sure brings back some memories. | ||
| Seira: Someone I know keeps the laces of the shoes she has worn out. Maybe I should do that too? | ||
| Seira: There! That would be it for today! Thank you for sending so many questions! We'll be back to answer some more! | ||
Game Appearances
- To view Seira's Cinderella Girls and Starlight Stage card data, click here.
THE iDOLM@STER Cinderella Girls
Seira first appeared on November 28th, 2011 as one of the initial idols in the game.
Seira appears in the Events listed below:
| Events | ||||
|---|---|---|---|---|
| Event | Duration | Cards | ||
THE iDOLM@STER Cinderella Girls Starlight Stage
Seira appeared on February 8th, 2016 in the game.
Seira appears in the Events listed below:
| Events | ||||
|---|---|---|---|---|
| Event | Featured Song | Type | Duration | Cards |
 |
N/A | Cinderella Caravan | 4/11/2016 - 4/17/2016 | x80pxx80px |
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N/A | Cinderella Road | 7/12/2019 - 7/19/2019 | x80pxx80px |
Media Appearances
Trivia and Fan Culture
Trivia
- In Starlight Stage, her image stat specialty is Dance.
- She refers to her dog as "Wanko" (わんこ, commonly translated as "Doggy"), which is a cute word for "dog" (wan being the Japanese onomatopoeia for a bark), but could also be its name.
- The 52th chapter of the U149 manga seems to confirm that's its name.
- She shares the same birthday with Shiho Makihara.
Character Gallery
| Animated Loading Characters | ||
|---|---|---|
 [Sunlight Mariner] |
 [Captivating Bunny] |
 [One Day My Way] |
 [Rise By Begin] |
 [Golden Flower Aroma] |
 [Just Another Day] |
| Cinderella Post Images | ||
|---|---|---|
 November 27th, 2018at 4:03 P.M. |
 February 19th, 2019at 3:41 P.M. |
 March 17th, 2020at 3:36 P.M. |
 June 17th, 2020at 5:01 P.M. |
 April 22th, 2021at 4:46 P.M. |
 October 6th, 2021at 6:04 P.M. |
 April 27th, 2022at 10:00 A.M. |
 February 16th, 2023at 2:37 P.M. | |
| Cinderella Girls Stickers | ||
|---|---|---|
 "Did you see?" |
 "Dance" | |
| Starlight Stage Models | ||
|---|---|---|
Error creating thumbnail: Unable to save thumbnail to destination [Cinderella Collection (Bright)] |
Error creating thumbnail: Unable to save thumbnail to destination [Cinderella Collection (Color)] |
Error creating thumbnail: Unable to save thumbnail to destination [Make My Trend] |
 [Ribbon Blouse Date] |
 [Spacy☆Sweatdress] |
 [Break One Moment] SSR |
 [Street Stage] SSR | ||
| Starlight Stage Renders | ||
|---|---|---|
 [Break One Moment] |
 [Street Stage] | |
| Starlight Stage Card Cameos | ||
|---|---|---|
| Starlight Stage SSR Cameos | ||
 [Super Luminous Meteor] | ||
| Starlight Stage SR Cameos | ||
 [Sunshine Mariner] |
Error creating thumbnail: Unable to save thumbnail to destination [Allu☆ring☆Summer] |
 [My Way Runner] |
 [New bright stars]+ | ||
Twitter Idol Birthday illustration (April).
Twitter Ibaraki Prefecture Tourism Ambassador campaign illustration.
Seira drawn by the Starlight Stage staff to celebrate Cinderella Girls 10th anniversary.
Seira in Dice DE Cinderella.
Cinderella Girls Mobile Game shutdown illustration.
Tamashii Nations collab illustration.
Cards
Cinderella Girls Cards
[Seira Mizuki]
[Seira Mizuki]+
[Flower Viewing]
[Flower Viewing]+
[Mermaid Paradise]
[Mermaid Paradise]+
[Up To Date]
[Up To Date]+
[Dancing Girl]
[Dancing Girl]+
[Dancing Girl S]
[Dancing Girl S]+
[Fruity Season]
[Fruity Season]+
[Trendy Retro]
[Trendy Retro]+
[Heartbeat USA]
[Heartbeat USA]+
[Sunlight Mariner]
[Sunlight Mariner]+
[Captivating Bunny]
[Captivating Bunny]+
[One Day My Way]
[One Day My Way]+
[Passion Outcome]
[Passion Outcome]+
[Rise By Begin]
[Rise By Begin]+
[Golden Flower Aroma]
[Golden Flower Aroma]+
[Just Another Day]
[Just Another Day]+
[Dancer Mode]
[Dancer Mode]+
Starlight Stage Cards
SR cards
[Heartbeat USA]
[Heartbeat USA]+
[Sunlight Mariner]
[Sunlight Mariner]+
[Passion Outcome]
[Passion Outcome]+
[One Day My Way]
[One Day My Way]+
[Rise By Begin]
[Rise By Begin]+
[Step of My Love]
[Step of My Love]+
SSR cards
[Break One Moment] Permanent
[Break One Moment]+ Permanent
[Street Stage] Permanent
[Street Stage]+ Permanent
