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Hello! Project Wiki

Kumai Yurina (熊井友理奈) is a Japanese singer and talent under J.P ROOM and a fashion model under Tateoka Office. She is a former idol under Hello! Project, having joined as a member of Hello! Project Kids in 2002 and later debuting as a member of Berryz Koubou in 2004. During her time in Hello! Project, she was also a member of Tanpopo#, Guardians 4, BeriKyuu, Cat's♥Eye 7, and Ujicha♥Taishi Maccha's. She graduated from Hello! Project on March 3, 2015 in a joint graduation concert with the other members of Berryz Koubou.


Kumai Yurina, January 2019

Kumai Yurina, April 2017

Kumai Yurina, January 2016

Kumai Yurina, April 2015

Kumai Yurina, January 2015

Kumai Yurina, June 2014

Kumai Yurina, February 2014

Kumai Yurina, October 2013

Kumai Yurina, March 2013

Kumai Yurina, December 2012

Kumai Yurina, January 2012

June 2011

Kumai Yurina, March 2011

November 2010

Kumai Yurina, July 2010

Kumai Yurina, November 2009

Kumai Yurina, May 2009

July 2008

March 2008

November 2007

March 2007

August 2006

November 2005

August 2004

March 2004


Early Life[]

Kumai Yurina was born on August 3, 1993 in Kanagawa, Japan.


On June 30, Kumai Yurina was announced as one of the 15 winners of the 2002 Hello! Project Kids audition.[1]


She was chosen as one of the eight members of Berryz Koubou.[2]


Kumai, Mitsui Aika, Sugaya Risako and Nakajima Saki were chosen to join a sub-group called Guardians 4 which focused on songs for the anime Shugo Chara!.

Kumai was put in the revival of Tanpopo with Kamei Eri, Mitsui Aika, and Okai Chisato.

She was chosen to promote the rock band Base Ball Bear's new album, (WHAT IS THE) LOVE & POP, in a TV commercial that featured only her, which was her first time doing a solo CM. Some fans speculated that one of the reasons Kumai might have been chosen is for her surname (Kumai = Kuma = Bear) or because front man Koide Yusuke was a long time Hello! Project and Berryz Koubou. She also left a comment on the official BBB site: "Love&POP contains many up-tempo songs, and the whole album conveys a lot of power. My favorites are "Stairway Generation" and "Umi ni Naritai pt2! I had these on loop. I'd definitely like to go to their concert as well." Base Ball Bear is a Japanese rock band under EMI Music Japan. When the CM appeared on YouTube, it had a record of over 12 million views and over 80 comments. The majority of users left comments like Kumai-chan is "kirei" and "kawaii" written in English and Japanese.


Kumai, along with other members of Hello! Project Kids, starred in the horror film Ousama Game. Kumai played the lead role of high-school student Honda Chiemi.


On July 25 it was announced that Berryz Koubou's Kumai Yurina, Shimizu Saki, Sudo Maasa, Sugaya Risako and ℃-ute's Yajima Maimi, Nakajima Saki and Hagiwara Mai would be performing in an stage play titled CAT'S♥EYE, based on a manga. The stage play ran from September 22 to September 30.


On April 26, Kumai appeared on the cover of the magazine Weekly Famitsu Taiwan.


On August 4, Kumai celebrated her 21st birthday at a special event called Berryz Koubou ~Kumai Yurina Birthday Event 2014~. The event featured two performances in Tokyo.


After concluding her activities in Berryz Koubou on March 5, Kumai announced that she would focus on her education and graduating within 4 years. She also revealed plans on becoming a model in the near future. She was moved to J.P ROOM not long after.

On May 1, Kumai became a member of M-line club.

On June 16, Kumai appeared in the weekly newspaper Tokyo Sports.[3]

On July 29, Kumai appeared on the television show Nakai no Mado.[4]

On August 22, Kumai appeared in POKER FACE 2015 SUMMER alongside Nogizaka46, Nakajima Saki, Hagiwara Mai, Okada Robin Shoko, Akiyama Yurika, and various other idols.[5]

On October 6, Kumai appeared in the November 2015 issue of the magazine Top Yell as a guest in Fukuda Kanon's interview about her impending graduation.

On October 7, Kumai made a guest appearance on THE Karaoke ★ Battle, a television show aimed at finding the best male vocalist.

On October 10, Kumai began appearing as a regular on the TBS television show Ousama no Brunch.[6]

In September, Kumai appeared in her first photoshoot as a visual model for DAMMY's 2015 collection.


On February 14, Kumai held a solo fan-club event titled Kumai Yurina FC Event ~Enjoy Valentine's Day~.

On February 16, Kumai appeared in Katsura Yumi's wedding themed fashion show at the Tokyo International Forum.[7]

On March 13 and 21, Kumai held a solo casual dinner show titled Kumai Yurina Casual Dinner Show ~Enjoy Spring~.


In July, Kumai appeared in the music video for Tsubaki Factory's "Shuukatsu Sensation".

On July 25, Kumai was a runway model for the 2017 YUMI KATSURA GRAND COLLECTION in OSAKA.[8]

On August 3, she celebrated her 24th birthday at a fanclub event titled Kumai Yurina FC Event "8×3=24", which had three shows at Shibuya SHIDAX Culture Hall.


On May 1, she joined the modeling agency Tateoka Office.[9]

On August 3, Kumai celebrated her 25th birthday at the Kumai Yurina Birthday Event ~ENJOY!25♡~ with two shows at Shibuya Shidax Culture Hall. Then on August 4 and 5, she held the Kumai Yurina Casual Dinner Show ~Enjoy! Happy Summer!!~, featuring four shows at Music Restaurant La Donna.

On October 15, Kumai released Complex ni Sayounara!, a joint book with four of the shortest current members in Hello! Project: Yokoyama Reina, Morito Chisaki, Kamikokuryo Moe, and Funaki Musubu who have been named Minis?.[10]

On December 2 and 22, she held the Kumai Yurina Casual Dinner Show 2018 ~Heisei Saigo no ENJOY! Kumasmas~.


From March 15 to March 17, she and Sudo Maasa held the Sudo Maasa・Kumai Yurina Fanclub Tour KuMaaz to Ikou! in Okinawa.

Kumai was a runway model for Giorgio Armani's 2020 Cruise Collection show on May 24 at the Tokyo National Museum.[11][12][13]

On June 25, she announced a clothing collaboration with the brand KANGOL REWARD,[14] which opened for orders on July 18.[15][16]

On August 3 and 4, Kumai held the Kumai Yurina Casual Dinner Show 2019 ~Reiwa! ENJOY! My Birthday!!~ at Music Restaurant La Donna to celebrate her birthday.

From October 4 to October 6, she held the Kumai Yurina Fanclub Tour Kuma Tabi in Hokkaido ~Kumai-chan wa Dekkai Dou~.


On January 19, she and Sudo Maasa held a joint fanclub event titled Sudo Maasa・Kumai Yurina FC Event "KuMaaz ~Koufuku Kangei!~", featuring three shows at Shibuya SHiDAX Culture Hall.

On March 24, it was announced that her fanclub event with Sudo Maasa and Shimizu Saki titled Shimizu Saki・Sudo Maasa・Kumai Yurina FC Event "Futsuu, Kono Hi Nashi de wa Yatterannai Desho!?", which was originally scheduled for March 3, would be postponed to May 26 in consideration of a new policy established by the government to prevent the spread of COVID-19.[17] It was eventually cancelled.[18]

On April 9, it was announced that Kumai Yurina Casual Dinner Show 2020 spring ~Enjoy your new life!!~ originally scheduled for April 26 would be postponed to August 1 due to the COVID-19 pandemic.[19] It was later cancelled entirely.

On August 8, she celebrated her 27th birthday at a fanclub event titled Kumai Yurina BD Event 2020 with three shows at Shibuya SHIDAX Culture Hall.[20]​​ In compliance with government policy, cheering, crowding, standing, and closeness in the venue were prohibited, and wearing masks were required to enter.


On March 27, she graduated from the TBS television show Ousama no Brunch.[21]

Personal Life[]

Kumai has two younger brothers.[22]

She also has a pet dog named Mint-kun. His birthday is November 9, 2005.[23]

When Kumai joined Hello! Project Kids, she was a third year elementary school student.[1] She graduated from high school in March 2012.

Kumai decided to continue pursuing her education and entered university. She graduated in March 2016.[24]

The following list are notable friendships Kumai Yurina has acquired:

Yurina's kanji in her family name, means bear (熊; kuma).

Here is a list of nicknames that was used to refer to Kumai Yurina:

  • Kumai-chan (熊井ちゃん): Official nickname. Used by members and fans.[25]
  • Kumaicho (くまいちょー): Official nickname. Given and used by Tsugunaga Momoko since 2005. It is now used by fans.[25][26][27]
  • Yuri (うり): Former Official Nickname, given to her since the formation of Berryz Koubou.[28]
  • Yuriine (ユリーネ): Given and used by Yaguchi Mari. Given to her during the "Charisma Idol Yagucchan" corner of the former mini show Hello Kids.[29]
  • Daikumai (ダイクマイ): Self given nickname. Meaning "Big Kumai", children use to call her "Daikumai" due to her tall height. According to Kumai, it gives her a scary image.[30]


  • Favorite Food: Matcha dessert, yakiniku, tart, Kinakomochi
  • Favorite Things: Disney, monotone, magazines
  • Hobbies: Shopping, listening to music.
  • Favorite English Word: "Generation".
  • Favorite Subject: Music, Physics, Math
  • Best Subject: Japanese
  • Favorite Ai no Album ⑧ Song: "Because Happiness"
  • Favorite Song in the Past: "Dango 3 Kyoudai" by Hayami Kentarou and Shigemori Ayumi (with Hidamari Kids and Dango Chorus), "Natsu Matsuri" by Whiteberry.
  • Current Favorite Song: "Oh!" by Shoujo Jidai (Girls Generation).

  • Hello! Project Daihyakka (2004) Details
    • Hobby: Purikura, collecting stickers, listening to music
    • Special skill: Jump rope, unicycle
    • Strong point: I don't really know, but my friends say, "You're bright and funny"
    • Weak point: Natural airhead!? I can't get up in the mornings!
    • Habit: Putting my hair behind my ears
    • Favorite color: Light blue, white, orange, etc. I like black and brown clothes!
    • Favorite flower: Hibiscus, baby's breath
    • Disliked thing/thing to do: Bugs: bees, stink bug, praying mantis, horsefly. Birds: crows!
    • Scared of: Monsters, fires, earthquakes
    • Favorite movie: "Hotaru no Hoshi," "Koinu Dan no Monogatari," "Monsters, Inc."
    • Favorite book: "Musume Monogatari," "Tottemo Minimoni," "Helen Keller"
    • Favorite word: "HAPPY," "shiawase" (happiness), "LOVE"
    • Favorite season: Summer
    • Favorite food: Ice-cream, sushi rolls, yakiniku
    • Least favorite food: Green peas, tomatoes, mayonnaise
    • Favorite song: "Hare Ame Nochi Suki ♡" (Morning Musume Sakura Gumi), "Iku ZYX! FLY HIGH" (ZYX), "First KISS" (Aa!)
    • Charm point: My tall height... haha
    [2010.01] Nation Junior Magazine (Thailand)
    1. Is it hard for teenagers working in the entertainment industry?:
    No matter what time of the day it is, we always say "Ohayou Gozaimasu" (good morning). It was difficult getting used to this.
    2. What has been the most impressive moment of your career?:
    Saitama Super Arena event; we were the youngest artists ever to appear at this venue.
    3. What are your goals?:
    I want more recognition and want the group to become idols that everybody loves.
    4. Where do you see yourself in 50 years?:
    I will be 66. I hope I am healthy and still young!


    Main article: Kumai Yurina/Discography

    Solo DVDs[]

    Yurina Kumai - Berryz Koubou DVD Magazine Vol.8.jpgKumaiDVDpng.jpgLilypng.jpgYurina Kumai - Brand new day (DVD Cover).jpgKokka24jp-img427x599-1466859891c13eav3769.jpgKokka24jp-img426x600-1486820492rbbzqk23170.jpg


    Main article: Kumai Yurina/Publications

    Solo Photobooks[]

    1. [2007.08.29] Yurina (友理奈)
    2. [2009.07.27] FLOWERAGE
    3. [2010.12.17] KumaSpo!



    80pxHotaru no HoshiDVD cover

    TV Programs[]

    • [2002–2007] Hello! Morning (ハロー! モーニング)
    • [2002-2004] Hello Kids
    • [2007–2008] Haromoni@ (ハロモニ@)
    • [2008] Berikyuu! (ベリキュー!)
    • [2008–2009] Yorosen! (よろセン!)
    • [2010–2011] Bijo Gaku (美女学)
    • [2011–2012] Hello Pro! TIME (ハロプロ!TIME)
    • [2011–2013] Kaette Kita Berryz Kamen! (帰ってきたBerryz仮面!)
    • [2012–2013] Hello! SATOYAMA Life (ハロー!SATOYAMAライフ)
    • [2014–2015, 2018] The Girls Live
    • [2015] Nakai no Mado
    • [2015] THE Karaoke ★ Battle
    • [2015–2021] Ousama no Brunch

    TV Drama[]

    • [2003] Little Hospital (リトル・ホスピタル)


    Edo Kara Chakushin!? ~Timeslip to Kengai!~Reverse! ~ Watashi no Karada Doko Desu ka?Berryz Koubou VS Berryz KoubouThank You Very BerrySanokuen ShoujoSengoku Jieitai (Stage Play)CAT'S♥EYEWarera Jeanne ~Shoujo Seisen Kageki~Musical Sengoku Jieitai



    • [2009–2012] Tsuukai! Berryz Oukoku (痛快! ベリーズ王国)
    • [2012–2015] BZS1422


    • [2003] Japan Meat Information Service Center (日本食肉消費総合センター)
    • [2009] Base Ball Bear - (WHAT IS THE) LOVE & POP?

    Music Videos[]


    • She was voted 2nd favorite member in the 2010 "Hello! Project Music Awards" event.[31]
    • She ranked 1st in a magazine's 2011 "Girls that seem like they'll become big stars in the future" poll.[32]
    • She ranked 10th most stylish idol by high school girls in a 2014 women's magazine.[33]

    Kumai Yurina's Height[]

    Kumai Yurina is known to be the tallest member in Hello! Project's entire history. She was initially shorter than fellow Hello! Project Kids member Sudo Maasa when Berryz Koubou was first formed in 2004. Kumai soon surpassed her in height, and grew to be the tallest member in Hello! Project. However, for years there would be confusion on what her exact height was, and fans suspected her to be taller than she claimed to be.

    • On the August 9, 2007 broadcast of GyaO MIDTOWN TV's ○○Ai☆Kora!Nama Yaguchi, she claimed to be 174-175 cm tall.
    • In February 2009, the "Berryz Koubou Kumai Yurina 7 Great Secrets Thorough Anatomy!!" corner from volume 189 of the magazine UP to boy claimed that she was 176 cm tall.
    • On November 9, 2010, a blog post by Tsunku revealed that she was 179 cm tall.[34]
    • On November 10, 2011, an article published by Sponichi Annex promoting the 2011 film Ousama Game also claimed that she was 176 cm tall.[35]
    • On July 29, 2015, Kumai made a guest appearance on a special episode of Nippon TV's Nakai no Mado focusing on some of the tallest people in the entertainment industry. There, they measured her height on camera, and she was found to be 181 cm tall.

    Currently, her Tateoka Office profile lists her as 179 cm tall, while her J.P ROOM profile lists her as 181 cm tall.


    • Her favorite artists are ayaka, Crystal Kay, UNJASH and Sakurazuka Yakkun.
    • She claimed that her own name is a bit difficult to say.
    • She sometimes gets to keep the change when it's 30 yen or so. And when her grandfather comes to visit, he sometimes give her 10 thousand yen as a gift.
    • She has claimed that all the dance lessons they took, prior to debuting in Berryz Koubou, were the hardest things in her life.
    • She said that it is important to keep the memories of past times with her, for example, in an album. To her, that and her family and friends are all precious.
    • Since she likes fireworks, she wants to make a firework with the words "Berryz Koubou."
    • In Yorosen!, she taught Berryz Koubou about fashion.
    • She admires pretty girls who, curiously, don’t have much make-up on, like Nose Karina and Hasegawa Jun.
    • She'd like to try out being a fashion model and also aims to become a cool woman.
    • Said she can't live without her dog Mint, because she soothes her every day.
    • She saved a fan letter that was sent to her in 2005 from Sashihara Rino, who is a former member of AKB48, HKT48, and STU48, and the producer of =LOVE and ≠ME.
    • Sudo Maasa said that she is an airhead.
    • Ogata Haruna thinks that Kumai Yurina is the coolest member of Hello! Project.
    • Her favorite ANGERME song is Please Miniskirt Postwoman!.

    Honorary Titles[]

    Honorary Titles
    Preceded by
    Tallest Member in Hello! Project Ever
    2007 – Present
    Succeeded by


    1. 1.0 1.1 Hello! Morning. Broadcast Date: 2002-06-30.
    2. Tsunku. "『Berryz工房』(ベリーズこうぼう)誕生について" (in Japanese). Tsunku Official Website. 2003-01-15.
    3. Kumai Yurina Blog (English)
    4. Kumai Yurina Blog (English)
    5. Amazon Listing (Japanese)
    6. Kumai Yurina Blog (English)
    7. Kumai Yurina Blog (English)
    8. "YUMI KATSURA×JIKEI GRANDCOLLECTION IN OSAKA" (in Japanese). Kumai Yurina Official Blog. 2017-07-27.
    9. "NEWS" (in Japanese). Tateoka Office. 2018-05-01.
    10. "熊井友理奈&ミニーズ。? (横山玲奈、森戸知沙希、上國料萌衣、船木結)身長差悩みあるあるWorld「コンプレックスにサヨウナラ!」発売決定!! "(in Japanese). Hello! Project. 2018-08-30.
    11. https://www.instagram.com/p/Bx6BA0MFPfb/
    12. "GIORGIO ARMANI" (in Japanese). Kumai Yurina Official Blog. 2019-05-25.
    13. "Berryz工房・熊井友理奈「アルマーニ」ランウェイ出演に反響" (in Japanese). modelpress. 2019-05-26.
    14. "KANGOL REWARD 【コラボ決定!】" (in Japanese). Kumai Yurina Official Blog. 2019-06-25.
    15. https://twitter.com/KANGOLREWARD/status/1151764500850212864
    16. https://www.instagram.com/p/B0DmLd3lrEV
    17. "3月3日(火) 清水佐紀・須藤茉麻・熊井友理奈FCイベント「普通、この日なしではやってらんないでしょ!?」振替公演のお知らせ" (in Japanese). M-line club. 2020-03-24.
    18. "「普通、この日なしではやってらんないでしょ!?」中止のお知らせ" (in Japanese). Sudo Maasa Official Blog. 2020-04-14.
    19. "4月26日(日)熊井友理奈カジュアルディナーショー公演延期のお知らせ" (in Japanese). J.P ROOM. 2020-04-09.
    20. "★ファンクラブ会員限定イベント★「熊井友理奈BDイベント2020」開催決定!" (in Japanese). M-line club. 2020-07-15.
    21. Kumai Yurina Blog (Japanese)
    22. "三兄弟" (in Japanese). Kumai Yurina Official Blog. 2018-01-04.
    23. Kumai Yurina Blog (English)
    24. "新生活" (in Japanese). Kumai Yurina Official Blog. 2016-04-01.
    25. 25.0 25.1 "熊井友理奈(Berryz工房):プロフィール" (in Japanese). Hello! Project. (Archived)
    26. "Berryz工房・嗣永がメンバーの裏話。ラジオ公開収録にファン300人" (in Japanese). Eiga.com. 2009-08-06.
    27. "西川貴教のイエノミ!! ~第十一夜~ ゲスト:Berryz工房" (in Japanese). Niconico Live. 2011-12-12.
    28. "ハロー!プロジェクト大百科" (in Japanese). Hello! Project Fanclub Edition (Media Create). Page 127. Released: 2004-02-13.
    29. Hello Kids. "Charisma Idol Yagucchan" Corner. TV Tokyo. Broadcasted: 2003-01-07.
    30. Lion no Gokigenyou. Fuji TV. Broadcasted: 2012-08-27.
    31. http://www.esrp2.jp/hpma/2010/result/member/001-.html
    32. http://chisatointelligenceagency.files.wordpress.com/2011/06/lib396789.jpg
    33. http://i.imgur.com/vJBSYXH.jpg
    34. "Berryz工房 11/10発売 シングル「シャイニング パワー" (in Japanese). Tsunku Official Blog. 2010-11-09.
    35. https://www.sponichi.co.jp/entertainment/news/2011/11/10/kiji/K20111110001995300.html

    External Links[]