Mahiro Rima
Mahiro Rima 2016
Mahiro Rima, September 2016
Nickname Rima (リマ)
Birthdate February 5, 1998 (1998-02-05) (age 20)
Birthplace Kyoto, Japan
Bloodtype A
Height 152.4 cm
Professional Information
Occupation Singer, Idol, Model, Actress
Years Active 2004-present (14 years)
Label zetima
Group Ka-wa-ii!
Generation 1st Generation
Associated Acts Hello Pro Egg, Shugo Chara Egg!

Mahiro Rima (真広リマ) is a former member of Ka-wa-ii!. She is a former member of Hello! Pro Kenshuusei.


Mahiro Rima, November 2014


Mahiro Rima, July 2014


Mahiro Rima during the Hello! Pro Girl audition, 2009



Mahiro Rima passed the Hello! Pro Kenshuusei auditions along with 30 other girls being the youngest at five and was added to Hello! Pro Kenshuusei as a surprise.


She along with Maeda Yuuka, Saho Akari, Wada Ayaka, and Fukuda Kanon joined the sub unit, Shugo Chara Egg! to perform the openings for the anime Shugo Chara!, taking the place of Buono. She was Amulet Cross.

Mahiro left to join S/mileage as a temporary member until Saito Kotomi could join.

In November, Mahiro joined Ka-wa-ii! after passing the H!P Girls audition.


Mahiro debut in Ka-wa-ii! in the single Go Girl Go! in January. Tsunku release this statement shortly after the release of the single, the statement was about about Mahiro.

"I'm shocked to see Mahiro-san improving so much! In 2004 she was untrained and her voice was weak, so I didn't pass her, though later I realized their was hope for her and added her in as a surprise. She's a different girl now and in no time she will probably be in the lead."

Mahiro Rima along with fellow Ka-wa-ii! member Ogawa Melody formed the duo Shooting☆Star to perform songs at Hello! Project concerts and will release singles as well.


In Febuary, Mahiro was in a stage play called 'Shooting☆Star Girl~' with Ogawa Melody, Maeda Yuuka, Tanaka Reina and Miyamoto Karin. The play ran from February 17th to February 21st.

It was announced that Mahiro Rima was chosen to form the unit, Smile On!, with several other H!P members.


Mahiro's photobook 'Vivid Rose' was released on Febuary 14th. There would be four handshake events in Tokyo, Chiba, Saitama, and Yokohama to commemorate the release

In March Mahiro opened her Ameba blog, becoming the third Ka-wa-ii member to get a blog. Her first post was called Excited to Tell!

In July she was in a photo shoot for UTB+ magazine as Top Idol 2012. She was interviewed for UTB+ magazine for Young Idol 2012 along with Tamura Meimi.

In December she participated in a photo shoot with Berryz Koubou member Tokunaga Chinami. She also announced the auditions for Ka-wa-ii! second generation. The auditions are called ~Ka-wa-ii-Chan!~Be Alive Today~Ka-wa-ii Second Generation!~ and will take place on January 1, 2013.


On January 16 it was announced that Mahiro Rima and Ogawa Melody will be in a drama called Skip Heart! Mahiro Rima will be playing one of the main characters, Tanaka Mizuki.

On December 20, Mahiro left the unit, Smile On.


On June 19, during a Ka-wa-ii! mini live, Mahiro announced her graduation from Hello! Project.

On November 29, Mahiro graduated from Ka-wa-ii!.

On December 1, Mahiro announced that she would be going on hiatus until 2016 in order to focus on her education.


On March 16, Mahiro graduated from high school.

In April, Mahiro started attending Tokyo College of Music.

In May, Mahiro returned to the entertainment industry in order to pursue a solo career.

On September 16, Mahiro's first album, Sweet!, was announced for release on March 2, 2017. Mahiro started promoting the album in December 2016.


  • Name: Mahiro Rima (真広リマ)
  • Nickname(s):  Rima (リマ), NO 6
  • Birthdate: February 5, 1998 (1998-02-05) (age 20)
  • Birthplace: Kyoto, Japan
  • Bloodtype: A
  • Height: 152.4
  • Hello! Project Status:
    • 2004-06-30: Hello! Pro Kenshuusei Member
    • 2009-09-??: Ka-wa-ii! Member
    • 2004-6-30: Member
  • Ka-wa-ii Color: Blue
  • Hello!Project Groups:
    • Ka-wa-ii! (2009-2014)
    • Hello Pro Egg (2004-2009)
    • Shugo Chara Egg! (2008-2009)
    • Shooting Star (2010-2014)
    • Smile On!(2011-2013)

  • Specialty: Acrobatics
  • Likes: Almost anything
  • Dislikes: Nuts (of the tree variety), mud
  • Hobbies: Collecting pins, scaring people
  • Talents: Singing, make up
  • Motto: "If you only have one shot, you need to make it count!"
  • Introduction:
    • "Hello Pro Egg's Mahiro Rima. Yoroshiku onigai shimasu." (2004-2009)
    • "Known as the weird, yet clever one, Ka-wa-ii!'s Mahiro Rima. Yoroshiku onigai shimasu!"' (2009-2012)
    • "I'm HERE! I'm THERE! I'm EVERYWHERE~ I'm RimaRima, also known as Mahiro Rima! Yoroshiku onigai shimasu!" (2012-2013)
    • "I'm trying for a sexier and weirder character. *poses* Is it working? I'm Mahiro Rima. Nice to meet ya!" (2014-Present)
  • Favorite School Subject: Art, Math
  • Least Favorite School Subject: History
  • Favorite Idol Groups: Fairies, HKT48, Morning Musume '14
  • #1 Rival: Fukumura Mizuki
  • Looks Up To: Kamei Eri, Kyary Pamyu Pamyu



  1. [2017.12.12] Daikirai. (大嫌い。; I Hate You.)


  1. [2017.03.02] Sweet!
  2. [2018.04.15] DANGER

Singles Featured In


Shugo Chara! Egg

  • Minna no Tamago (Debut)
  • Shugo Shugo! (Final)

Shooting Star

  • Shooting Wish (Debut)
  • Puppy Love
  • Ringo Ringo!
  • Double Trouble
  • Wish
  • My days
  • Chocolate Love
  • Happy Daisuki!
  • Cha Cha Chan/Ribbons (Final)



  1. [2011-2-17] ~Shooting✰Star Girl~

T.V. Dramas

  1. [2012] Suugaku♥Joshi Gakuen
  2. [2013-2014] Skip Heart!♥
  3. [2018-] Challenge! - As Monica


  1. [2012-02-14] Vivid Rose
  2. [2014-02-09] R.I.M.A.
  3. [2017-07-19] YES PLEASE!


  • She's the youngest member in Shooting Star.
  • She is one of the lead vocalist in Ka-wa-ii!
  • She is the first member in Ka-wa-ii to have a photobook.
  • Her favorite color is teal.
  • She broke her thumb before while riding her bike.
  • She plays the piano and violin.
  • She's considered the weirdo of Ka-wa-ii!
  • She speaks English and some Chinese.
  • Eats bread for breakfast.
  • She's the only Shugo Chara Egg! member that wasn't in Shugo Chara! the Musical.
  • She had red highlights.
  • She was featured in two episodes of Shugo Chara Party! but she portrayed Amulet Dia, not Amulet Cross.
  • Her favorite costume was her Amulet Dia costume.
  • Mahiro is also close friends with Fukumura Mizuki and Suzuki Kanon.
  • Was close friends with Maeda Yuuka and it's rumored that they still talk to each other.
  • She stated that she wants to dye her hair different colors like Kyary Pamyu Pamyu.
  • Hoi Daiyu admitted that she is scared of Mahiro.
  • She is an extreme fan of Happy Jikan, owning every single up to date.
  • Her first Hello! Project concert was Happy Jikan's Happy Jikan Concert Tour Fall 2003 ~Gambatte Ne!~.
  • She filled in for Saito Kotomi in S/mileage. She covered her lines in songs and acted as a stand in.

Honorary Titles

Honorary titles

Preceded by

Youngest member of Ka-wa-ii!
September 2011 – February 2013

Succeeded by
Suzuki Hoshi