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Riamu Yumemi
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Riamu Yumemi (Japanese: 夢見りあむ Yumemi Riamu) is one of the idols available in THE iDOLM@STER Cinderella Girls and THE iDOLM@STER Cinderella Girls Starlight Stage. She was the third of seven new idols introduced in THE iDOLM@STER Cinderella Girls following the 7th anniversary of the game. She is voiced by Seena Hoshiki (Japanese: 星希成奏 Hoshiki Seena).
Statistics
Annual Rankings
| Event | Prelim Rank | Final Rank |
| 1st Cinderella Girl General Election | Not a candidate | Not a candidate |
| 2nd Cinderella Girl General Election | Not a candidate | Not a candidate |
| 3rd Cinderella Girl General Election | Not a candidate | Not a candidate |
| 4th Anniversary Voice Idol Audition | Not a candidate | Not a candidate |
| 4th Cinderella Girl General Election | Not a candidate | Not a candidate |
| 5th Cinderella Girl General Election | Not a candidate | Not a candidate |
| 6th Cinderella Girl General Election | Not a candidate | Not a candidate |
| 7th Cinderella Girl General Election | Not a candidate | Not a candidate |
| 8th Cinderella Girl General Election | 3 | 3 |
| 9th Cinderella Girl General Election | Not applicable | 16 |
| 10th Cinderella Girl General Election | Not applicable | 12 |
Biographies
Self-Introduction
"Haa, I'm super ill! On the outside, I might look crazy healthy, but the truth is I'm a late teenager with a heart of glass! Filled with the desire to give up on school! That's me, Riamu-chan!! If I become an idol, it'd be my chance to do that, right!? Right!?"
Character Description
Neurotic and contradictory, Riamu is a follower of the Menhera subculture and an idol otaku. Riamu makes the decision to become an idol due to her desire to quit school and as an attempt to turn her life around since Riamu fears aging out of her teenage years and feels she has hit a dead end in life. Riamu uses the catchphrase yamu ("I'm so sick"), and frequently makes references to the fact that she is lonely and depressed, as well as desperate for any kind of attention. Riamu seems to have incredibly low self-esteem and does not see herself as having any good points.
Riamu utilizes a lot of current otaku internet slang, primarily from Twitter. Riamu is terrified of being hated and begs her fans to be nothing but kind to her, but at the same time states that she doesn't care if she causes controversy as long as she gets attention and sells. Riamu's Valentine's Day 2019 lines imply that she thinks people coming to hate her is something inevitable, so she wants to receive as much love and attention as she can from them before it happens.
Riamu seems generally distrustful of idol otaku, despite being one herself, stating that she doesn't trust otaku who change the idol they support, and that she only has faith in otaku who attend events and concerts in person. She seems suspicious of idol otaku who claim to support every idol in a group (known as daredemo daisuki or DD), because she does not believe they will actually pay attention to Riamu herself. It can be inferred that these attitudes likely stem from Riamu's low self-esteem and her desire for her fan's undivided attention and support.
| Deremail Questions | ||
|---|---|---|
| Originally posted 12/24/2021. Translation source, with some changes. | ||
| Riamu: You otakus! Don't you dare tell me you're living the life or something this Christmas!?! Here's a gift from the Yamu Santa! | ||
| Riamu: With that said, time for DereMail. Let's start this! | ||
| Question: When did you start as an otaku? | ||
| Riamu: Riamu-chan thwee yeaws old! She doesn't have any memowies befowe becoming an otaku! Bwee! #DereMail | ||
| Question: Tell a scary story | ||
| Riamu: The one you're looking at right now is the most horrific. #DereMail | ||
| Question: Riamu-tan, what's your recommended midnight snack??? Don't mind the calories since I'm planning to eat it on 2 am!!! Come at me! | ||
| Riamu: I eat some cup noodles. Live. Maybe I should put that eating sound as ASMR? Otakus eat that thing up right. #DereMail | ||
| Riamu: Just kidding and sorry about that. It's the middle of the night so I got carried away. Please no flaming~! | ||
| Riamu: This ain't over yet! Don't close this even if you got bored of it! Let's get into overtime, fellow otaku brethrens!!! | ||
| Question: How many questions now? | ||
| Riamu: This is just the 4th one. What is this even? A question for Riamu-chan! Capiche! #DereMail | ||
| Riamu: What was that? The date has changed? Well, Holy Night Riamu-chan's gonna explode on the scene. I so want to live life as one cute baby. | ||
| Question: What is the must have item when heading out!?! | ||
| Riamu: Maybe be sure to buy 22 pen lights? Also, get your brain ready... I mean, I would like to have my memories be saved in Cloud! | ||
| Question: NOTICE ME???????????!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! | ||
| Question: I LOVE YOU YUMEMI | ||
| Riamu: And I did!!!!!! Love me even more!! Give me more like this!!! #DereMail | ||
| Riamu: But I also notice those who are flaming me... Yeah... I know... | ||
| Question: Where is your favorite place, Riamu? | ||
| Riamu: Maybe underground. It is my spiritual birth place. Maybe I should go home for a visit. Not that I was born nor raised there. | ||
| Question: I don't want to find a job but what exactly should I do? | ||
| Riamu: Why are you asking me for some life advice? Did you send this to the wrong person? Still, I'll answer! #DereMail | ||
| Riamu: Become a NEET!!!! That will solve everything!! You don't have to do your best or anything. | ||
| Riamu: [Sad News] Riamu-chan got reprimanded. | ||
| Riamu: DereMail is nice... a really nice culture. Regularly love me, praise me and give me attention... | ||
| Riamu: What should I do if I got some notification from someone. I want to be swept away without anyone seeing. My Christmas ~END~ | ||
Game Discography
THE iDOLM@STER Cinderella Girls Starlight Stage
| Event | Featured Song | Type | Duration | Cards |
|---|---|---|---|---|
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LIVE Parade |
11/30/2019 - 12/08/2019 |
Not a featured card. | |
 |
LIVE Carnival |
01/01/2020 - 01/08/2020 |
 
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LIVE Carnival |
08/31/2020 - 09/08/2020 |
Not a featured card. | |
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Token |
01/20/2022 - 01/28/2022 |
 
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Song Discography
| Recorded Solo Songs | ||
|---|---|---|
| Song | Classification | CD |
| OTAHEN Anthem | Image Song | THE IDOLM@STER CINDERELLA MASTER 057 Yumemi Riamu |
| Go Just Go! | Riamu Solo Ver. | THE IDOLM@STER CINDERELLA GIRLS STARLIGHT MASTER GOLD RUSH! 01 Go Just Go! |
| Tropical Girl | Riamu Solo Ver. | THE IDOLM@STER CINDERELLA GIRLS STARLIGHT MASTER R/LOCK ON! 05 Tropical Girl |
| Recorded Group Songs | |||
|---|---|---|---|
| Song | Classification | CD | Sung With |
| Yume o Nozoitara | Group Song | THE IDOLM@STER CINDERELLA MASTER Yume o Nozoitara | CINDERELLA GIRLS! |
| Sun! High! Gold! | Group Song | THE IDOLM@STER CINDERELLA MASTER Yume o Nozoitara | CINDERELLA GIRLS! for BEST5 |
| Go Just Go! | M@STER VERSION | THE IDOLM@STER CINDERELLA GIRLS STARLIGHT MASTER GOLD RUSH! 01 Go Just Go! | Shin Sato, Yui Ohtsuki, Karen Hojo, Shiki Ichinose, Kako Takafuji, Mizuki Kawashima, Kyoko Igarashi and Atsumi Munakata |
| Hare Hare Yukai | Cover Song | THE IDOLM@STER CINDERELLA GIRLS STARLIGHT MASTER GOLD RUSH! 13 Secret Mirage | Nana Abe and Yukimi Sajo |
| Tropical Girl | Group Song | THE IDOLM@STER CINDERELLA GIRLS STARLIGHT MASTER R/LOCK ON! 05 Tropical Girl | Emi Namba, Yuuki Otokura, Yuki Himekawa, and Kanako Mimura |
Trivia & Fan Culture
Trivia
- Riamu is voiced as of July 31st, 2019 through [Swimsuit Commerce] SR card in the original Mobage game, as a result of placing third overall in the 8th Cinderella Girl General Election.
- Riamu uses the first person pronoun boku. She is the third Cinderella Girls idol to use the pronoun after Sachiko and Asuka.
- Riamu refers to Producer as "P-sama".
- While her bust size is only listed as "huge" in her profile, in a card line she claims it's 95 cm.
- Riamu seems to enjoy gyoza, mentioning that she is going to have one-person gyoza party at her house in a LIVE battle line and also giving homemade gyoza as one of her Valentine's 2019 gifts.
- Riamu's hometown being "A kind world" is a reference to the phrase, "Together, let's make a kind world", frequently said by Japanese SNS users who simply avoid topics they dislike and do not want to get into online arguments or drama, and encourage others to do the same.
- In a card line, Riamu says that she wants people to only use sweet words as if they are throwing marshmallows, which is a reference to the Japanese Twitter app Marshmallow that allows users to send anonymous messages, but filters out those that are rude or insulting.
- In her Normal special training episode in Starlight Stage, it's revealed that her parents both gave her and her older sister Kirakira Names and Riamu isn't a fan of it. Her parents both work overseas and her older sister went to the United States to work as a painter, so she's often alone at home.
- Riamu calls other idols whom she considers able to look after her "Mama", having mentioned Karen, Mayu, and Shin with the pronoun. However, the Go Just Go! event commu reveals that she is also rather picky regarding the usage of the pronoun, as she refuses to call Kyoko with it, claiming that she's "too young", which is ironic since both Karen and Mayu are also younger than Riamu.
- In her 3rd SSR, it is implied that her natural hair color was black as a child.
Fan Culture
- As they are both Passion idols with a cute aesthetic and a sometimes grim outlook on life, Riamu has been heavily associated with Shin in fanart, with works often portraying Shin taking a mentor role and giving Riamu encouragement.
- Riamu is usually depicted alongside Akari Tsujino and Akira Sunazuka by fans, fellow Cinderella Girls idols announced following the series' 7th anniversary. Their in-game unit is currently called #LookingForAUnitName (Japanese: #ユニット名募集中 Yunitto-mei Boshū-chū).
- Riamu was featured in her first THE iDOLM@STER Cinderella Girls event on March 31st, 2019 alongside Akari Tsujino and Akira Sunazuka, though Riamu received a voice before the other two through placing 3rd in the 8th Cinderella Girl General Election.
Character Gallery
| Starlight Stage Models | ||
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 [Starry Sky Bright] |
 [Across The Stars] |
 [Party Time Gold]
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 [Deep Sky Blaze] |
 [Showtime Illusion] |
 [Cinderella Dream]
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 [Next Frontier] |
 [Lesson Wear (Long)] |
 [Lesson Wear (Short)]
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 [Rainbow Colors] |
 [Riamu Yumemi Wants to Be Saved] SSR |
 [Sunlight of Flower] Sun! High! Gold!
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 [Crystal Night Party] |
 [Lesson Wear (Jersey/Half)] SSR |
 [Lesson Wear (Hoodie/Cropped)]
|
 [No One But Riamu Yumemi Wins] SSR |
 [Go to Paradise (Stage)] SSR |
 [Go to Paradise (Resort)]
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 [Happiness Yell] |
 [The Dream Riamu Yumemi Had] SSR |
 [Connected Parallel (Skirt)]
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 [Connected Parallel (Pants)] |
 [North Prefectural High Uniform] |
 [Ad Astra]
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 [Cinderella Collection (Bright)] |
 [Cinderella Collection (Color)]
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Starlight Stage's 4th anniversary countdown art.
Collaboration Illustration from winning Mobage Unit Election by Mizumi.
Cinderella Girls M@GICAL COLLECTION!!! event banner.
Cards
THE iDOLM@STER Cinderella Girls Cards
[Riamu Yumemi]
[Riamu Yumemi]+
[Swimsuit Commerce]
[Swimsuit Commerce]+
[Rising Feelings]
[Rising Feelings]+
[Set Ablaze, Holy Night]
[Set Ablaze, Holy Night]+
THE iDOLM@STER Cinderella Girls Starlight Stage Cards
[Yume o Nozoitara]
[Yume o Nozoitara]+
[Tropical Girl]
[Tropical Girl]+
[Riamu Yumemi Wants to Be Saved]
[Riamu Yumemi Wants to Be Saved]+
[No One But Riamu Yumemi Wins]
[No One But Riamu Yumemi Wins]+
[The Dream Riamu Yumemi Had]
[The Dream Riamu Yumemi Had]+
