Yuika Mitsumine

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Yuika Mitsumine
Shiny Colors Character Data
Name: 三峰結華 (Mitsumine Yuika)
Voice actor: 希水しお (Kisui Shio)
Age: 19
Height: 158 cm
Weight: 44 kg
Birthday: January 16th
Blood type: O
Three sizes: 73-52-81 cm
Handedness: Right
Hobbies: Idol lives, Cameras, Games, Anime, Reading
Skills: Studying, Recieving personal recognition from idols she supports the fastest
Horoscope: Capricorn
Hometown: Fukushima
Image Color:     

Yuika Mitsumine (三峰結華 Mitsumine Yuika) is one of the idols available in THE iDOLM@STER Shiny Colors. She was originally voiced by Runa Narumi (成海 瑠奈 Narumi Runa) until she retired from voice acting on December 31st, 2021. On January 18th, 2022, Shio Kisui (希水しお Kisui Shio) took over the role. She is a member of the unit L'Antica.


Shiny Colors Biography

Okay, Okay. Since you found me, producer, I'll work hard for your sake too!

Online Character Profile

Song for Prism Profile Quote

"I'm an idol… it feels kind of strange…"


"Hey hey, I'm Yuika Mitsumine! …I'd like to ask you something, but this is the surprise venue, right…?"

Character Profile


"An upbeat and easygoing girl with a good sense of humor. Yuika dabbles in many different subcultures like fashion, anime and manga, and video games. Yuika’s stylish glasses and caps are her trademarks. Chief among Yuika’s many interests is her passion for idols. A devoted attendee of idol lives, idol festivals, and idol handshake events, when Yuika talks about idols you can see her eyes sparkle. Like many enthusiasts, Yuika has a habit of being unable to stop talking when asked about her favorite things. Yuika can think on her feet and her grades in university are quite impressive. Since she absorbs the material from her lectures easily, Yuika has plenty of free time to devote to her hobbies, like fashion. While others tend to take her carefree personality at face value, in reality Yuika is always keeping a watchful eye on the people around her, and is adept at reading situations and reacting accordingly. Yuika has trouble openly saying how she really feels, and chooses to play the social role of an easy-going joker to avoid needing to. She has been known to use humor to prevent awkwardness. In hope of better understanding the idols she loves so much, Yuika had already felt a vague longing to become an idol herself when she was scouted by Producer one day while taking shelter from the rain. Now, Yuika has taken the chance to become one of the very idols she always thought existed in a separate world from the one she did."

Character Description

Yuika is an upbeat glasses-wearing girl involved in a variety of hobbies - especially idols. She still feels disbelief towards becoming one of the idols she's admired as a fan for so long. She has a natural knack for reading people, and can get along with most anyone. Some of the other subcultures she's involved in are fashion, anime, and photography. In the "Mawaru Haguruma, Unmei no Toki" event, Yuika shows her mature and caring side. She can sense how the others are feeling and helps to encourage them. Mamimi wasn’t going to pick out a song to sing at karaoke, so Yuika pulled up one of Mamimi’s favorite songs to convince her to join. She is also the one to suggest customizing their outfits for the live. Everyone was disappointed with the dresses, but Yuika pumps them up with her idea. When the girls finally perform, Yuika is nervous and makes a small mistake, but everyone reassures her and they plan to improve next time.

Game Appearances

THE iDOLM@STER Shiny Colors

Song Discography

Recorded Solo Songs

Recorded Group Songs

Trivia and Fan Culture


  • She speaks in third person, referring to herself with her surname "Mitsumine". Currently, the only character who also calls her Mitsumine is Mamimi.
  • She was an idol fan before becoming an idol herself. She buys lots of goods related to them.
  • She lives by herself in an apartment.
  • She loves cats and enjoys collecting cat-related goods and photographing cats she finds. While she doesn't have any pets at her apartment, Yuika had pet cats at her childhood home.
  • She has an older brother and a younger brother, which make herself as a middle child.
  • Her P-SSR skills often have multiple threes, like 33% buffs lasting three turns and 3.3x appeals. These are referencing the fact that the first character in her surname Mitsumine means "three peaks".
  • She is a university student and supposedly makes very good grades.
  • She is also the third character in the whole iDOLM@STER franchise (following Yukiho Hagiwara and Kazuki Tsukumo) to be recast.

Fan Culture

  • Yuika is generally called "Mitsumine" by fans instead of her first name, since "Mitsumine" is how she refers to herself.

Character Gallery


Shiny Colors Cards

Produce Idol Cards

Support Idol Cards

Song for Prism Cards

Produce Idol Cards

Support Idol Cards