Sachiko Koshimizu

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Sachiko Koshimizu
Sachiko SS.png
Cinderella Girls Character Data
Name: 輿水幸子 (Koshimizu Sachiko)
Voice actor: 竹達彩奈 (Taketatsu Ayana)
Age: 14
Height: 142 cm
Weight: 37 kg
Birthday: November 25th
Blood type: B
Three sizes: 74-52-75 cm
Handedness: Left
Hobbies: Making study notes
Horoscope: Sagittarius
Hometown: Yamanashi
Card Type: Cute icon.png
Image Color:     
Autograph
Sachiko signature SS.png

Sachiko Koshimizu (輿水幸子 Koshimizu Sachiko) is one of the idols available in THE iDOLM@STER Cinderella Girls and THE iDOLM@STER Cinderella Girls Starlight Stage. She is voiced by Ayana Taketatsu (竹達彩奈 Taketatsu Ayana).

Statistics

Annual Rankings

Event Prelim Rank Final Rank
1st Cinderella Girl General Election 16 14
2nd Cinderella Girl General Election 3 4
3rd Cinderella Girl General Election 9 9
4th Anniversary Voice Idol Audition Not a candidate Not a candidate
4th Cinderella Girl General Election 10 10
5th Cinderella Girl General Election 9 13
6th Cinderella Girl General Election Unranked 14
7th Cinderella Girl General Election 5 9
8th Cinderella Girl General Election Unranked 19
9th Cinderella Girl General Election Not applicable 12
10th Cinderella Girl General Election Not applicable 11
Stage for Cinderella 9 Not a candidate

Biographies

THE iDOLM@STER Cinderella Girls Self-Introduction

"It's been decided…I'm the cutest. You knew that right, Producer-san? Of course, you did! It's okay, I'll forgive you this time. In return, you'll have to help me prove to the world how cute I am!"

THE iDOLM@STER SHINY FESTA Profile Quote

"Of course I won't lose!"

THE iDOLM@STER POPLINKS Profile Quote

"I'm Sachiko Koshimizu! You're very lucky to be able to produce me, the cutest girl in the world♪"

Character Description

Sachiko is a girl beaming with astounding confidence, priding herself in being the cutest. She doesn't consider herself a competitive person, however she doesn't like to lose and doesn't easily admit to failure. When she's defeated as the boss of the Saitama area, Sachiko gives many excuses such as "I have a lot of homework to do so I'm going home".

From Sachiko's point of view, the Shining Aurora Traveler's Journal mobage event is a journey to let her fans know that the beauty of the aurora borealis isn't a match for Sachiko's cuteness. However, upon arriving to Norway, she decides that their rivalry should end in a draw, and turn into a dream collaboration instead. Likewise, her unit "Little Angels" featuring Ranko Kanzaki and Chieri Ogata, was born from Sachiko's intentions to overthrow the clione's status as the ice floe angel. Though Sachiko's self-centered remarks can be easily misunderstood, she doesn't make comparisons nor tries to belittle other idols.

Sachiko's incredible ego is continually reinforced by her loving parents and they still dote on her to this day. Her parent's enjoy dressing her in different outfits such as for her birthday where she gets the same amount of gifts, as illustrated in [Self-Proclaimed Sweet Heroine]+. Furthermore, they always take time off work to visit their daughter during her class-observation day. As result of her love for her parents, Sachiko doesn't live in the dorms and commute to the office by train from her home in Yamanashi.

In addition to idol activities, Sachiko attends a private escalator school. Showing a strong sense of responsibility, she has excellent grades and helps other idols with their homework. In fact, she spends her free time making study notes and is known for her neat handwriting. Her responsible nature extends to her work as an idol, where Sachiko is active in variety shows because of her ability to monopolize the camera. Though she's often portrayed as struggling with her lessons and schoolwork, Sachiko comes out on top working towards her goals, but always hiding the effort. In her own words, Sachiko tries to put her all into everything, but recognizes her lack of skill. Her willpower and professionalism have been recognized by fellow idols such as Minami Nitta and Rin Shibuya, and she has been depicted as a reliable and experienced idol in the anime and U149 manga.

The presence of a Producer who is there to support her is very important for Sachiko. She is constantly requesting Producer to compliment her and she puts her absolute trust in Producer. This is seen by the fact that she accepts all the reckless gigs as an opportunity to prove her cuteness and stand as a professional idol. Though she insists that Producer's role is to spread the word about Sachiko's cuteness and make her a popular idol, a lot of their interactions can be interpreted as Sachiko developing a crush for him.

Game Appearances

To view Sachiko's Cinderella Girls and Starlight Stage card quotes and data, click here.

THE iDOLM@STER Cinderella Girls

Sachiko first appeared on January 13th, 2012 as one of the new idols in the game.

Sachiko appears in the Events listed below:

THE iDOLM@STER Cinderella Girls Starlight Stage

Sachiko appeared on September 3rd, 2015 as one of the initial idols in the game.

Sachiko appears in the Events listed below:

THE iDOLM@STER SHINY FESTA

Sachiko appears as a rival in the STAR OF FESTA mode for Honey Sound, Groovy Tune, and Funky Note as a B rank rival who can give her Name Card to the player while in the STANDARD difficulty. Obtaining her Name Card adds 20 points to the player's score after their performance.

Media Appearances

Song Discography

Recorded Solo Songs

Recorded Solo Songs
Song Classification CD
To my darling... Image Song THE IDOLM@STER CINDERELLA MASTER 020 Koshimizu Sachiko
KISS Shite Cover Song THE IDOLM@STER CINDERELLA MASTER Cute jewelries! 002
Pastel Pink na Koi Sachiko Solo Ver. THE IDOLM@STER CINDERELLA GIRLS 4thLIVE TriCastle Story -Brand new Castle- Original CD Zettai Pink na Kobako
Itoshisa❤ Sachiko Solo Ver. THE IDOLM@STER CINDERELLA GIRLS LITTLE STARS! Itoshisa❤
Happy Girl! Image Song THE IDOLM@STER CINDERELLA GIRLS STARLIGHT MASTER 22 Souyoku no Aria
Orange Time Sachiko Solo Ver. THE IDOLM@STER CINDERELLA GIRLS STARLIGHT MASTER GOLD RUSH! 05 Orange Time
EVERLASTING Sachiko Solo Ver. THE IDOLM@STER CINDERELLA MASTER EVERLASTING
Kagayaku Sekai no Mahou Sachiko Solo Ver. THE IDOLM@STER CINDERELLA GIRLS 10th ANNIVERSARY M@GICAL WONDERLAND TOUR!!! MerryMaerchen Land Original CD
Kawaikute Gomen Cover Song TBA

Recorded Group Songs

Recorded Group Songs
Song Classification CD Sung With
Kagayaku Sekai no Mahou Group Song THE IDOLM@STER CINDERELLA MASTER Kagayaku Sekai no Mahou THE IDOLM@STER CINDERELLA GIRLS!
THE IDOLM@STER CINDERELLA GIRLS STARLIGHT BEST 01
Pastel Pink na Koi Group Song THE IDOLM@STER CINDERELLA MASTER Cute jewelries! 002 Sakuyahime
Gokigen Party Night Group Song - Cute Ver. THE IDOLM@STER CINDERELLA MASTER Cute jewelries! 002 Sakuyahime
Group Song - All Attribute Ver. THE IDOLM@STER CINDERELLA MASTER EVERMORE CINDERELLA MASTER Jewelries! 002
Onegai! Cinderella Group Song THE IDOLM@STER CINDERELLA GIRLS ANIMATION PROJECT 01 Star!! Kaede Takagaki, Mika Jougasaki, Miho Kohinata, Airi Totoki, Mizuki Kawashima, Akane Hino, Mayu Sakuma, and Koume Shirasaka
Heart Voice Group Song THE IDOLM@STER CINDERELLA GIRLS ANIMATION PROJECT 2nd Season 02 CANDY ISLAND
Lunatic Show Group Song THE IDOLM@STER CINDERELLA GIRLS STARLIGHT MASTER 12 Inochi Moyashite Koiseyo Otome Cute Me and Mushrooms, Baseball and Zombies
Illusionista! M@STER VERSION THE IDOLM@STER CINDERELLA MASTER Illusionista! Mio Honda, Mayu Sakuma, Fumika Sagisawa, and Minami Nitta
THE IDOLM@STER CINDERELLA GIRLS 10th ANNIVERSARY BEST
Itoshisa❤ Group Song THE IDOLM@STER CINDERELLA GIRLS LITTLE STARS! Itoshisa❤ Riina Tada, Hajime Fujiwara, Yukari Mizumoto, and Nono Morikubo
THE IDOLM@STER CINDERELLA GIRLS BEST OF LITTLE STARS!
Furachi na CANVAS Group Song THE IDOLM@STER CINDERELLA MASTER 3Chord for the Pops! Syuko Shiomi and Yumi Aiba
Orange Time M@STER VERSION THE IDOLM@STER CINDERELLA GIRLS STARLIGHT MASTER GOLD RUSH! 05 Orange Time 142's
EVERLASTING M@STER VERSION THE IDOLM@STER CINDERELLA MASTER EVERLASTING Mio Honda, Mizuki Kawashima, Natalia, Arisu Tachibana, Yoshino Yorita, Natsuki Kimura, Akari Tsujino, Anzu Futaba, and Anastasia
THE IDOLM@STER CINDERELLA GIRLS 10th ANNIVERSARY BEST

Trivia and Fan Culture

Trivia

  • Sachiko is voiced as of May 9th, 2013 through [Self-Proclaimed Sexy] SR card in the original Mobage game, prior to her CINDERELLA MASTER release.
  • In the Mobage game, the standard skill for most of the idols in the game is to buff their own type, or debuff an opposing type. However, Sachiko's first S Rare was unique because it was the first card in the game to debuff it's own kind and weakened enemy Cutes. This essentially meant that Sachiko could be the 'cutest' compared to enemy Cute idols.
  • All of Sachiko's cards (except for her CD Debut card, her initial card, and her Starlight Stage event-specific SRs) contain the "Self-Proclaimed" prefix.
  • She's the only member of the same company as the other main characters of THE iDOLM@STER Cinderella Girls U149 to be confirmed not to be from the Third Entertainment Division, as she is from the First Entertainment Division.
  • According to Deremas Channel, she owns over 100 hairpins and some of them are gifts from fans.
  • In [Self-Proclaimed Angel], Sachiko declares that she will descend upon the stage from the sky; an entrance befitting an angel, and the Producer signs her up for skydiving lessons much to her surprise. This event became a running gag in both official and derivative works, and it's not until [Self-Proclaimed City Favorite]+ that Sachiko is able to descend gracefully and admits that she's getting used to the view of high places.
  • In the first Dream LIVE Festival event, Sachiko debuted in a unit called "Cute me and the 142's" with Koume Shirasaka and Syoko Hoshi. In their first appearance, Sachiko was the only one who spoke and since then she has been both the leader and the center of the unit. This was later explained in the Orange Time event as shyness on Syoko and Koume's part. Both idols felt it was better to leave it up to Sachiko thus cementing Sachiko's leader role in the group.
    • Furthermore, in the business commu 142's in Search of Cuteness, Sachiko revealed that the "Cute" part of the unit name refers to the three of them, not just Sachiko. Later on, the unit was re-branded as "cute me and scary me and delicious me and the 142's", or "142's" for short, to avoid misunderstandings and represent every unit member.
  • She shares the same birthday with Mizuki Kawashima.

Fan Culture

  • A popular subject in Sachiko fanart is for her to receive karmic acts after being so rude and hurtful to her fellow idols. This would eventually take place officially in her skydiving card, in manga skits, and even her drama CD.
    • With the introduction of Riamu Yumemi, that bad luck seems to have mostly "passed down" to Riamu.

Character Gallery

Cards

Cinderella Girls Cards

Starlight Stage Cards

SR cards

SSR cards