|Born||July 15, 1991|
|Origin||Kagoshima, Kagoshima Prefecture, Japan|
|Occupation(s)||Japanese idol, singer|
|Labels||Avex / YukiRing|
|Associated acts||AKB48, French Kiss|
Yuki Kashiwagi (柏木 由紀 Kashiwagi Yuki?, born July 15, 1991 in Kagoshima, Kagoshima Prefecture), is a member of the Japanese idol girl groups AKB48 and NMB48. She auditioned for AKB48 on December 3, 2006, and is now a member of Team B. She was previously the captain of Team B before she was replaced by Ayaka Umeda as the captain. She is also a member of AKB48 sub-group French Kiss. Her talent agency is Watanabe Productions. Her nickname is Yukirin.
She joined AKB48 after an audition in December 3, 2006 and debuted as a member of Team B at the "AKB48 1st Anniversary Live - Seizoroi da ze! AKB!" concert. Before her theater debut, as part of the "AKB48 Haru no Chotto Dake Zenkoku Tour - Madamada da ze 48" tour, she appeared in Yuko Oshima's position on March 17 at the Aichi Welfare Pension Hall and on March 18 at the Fukuoka International Conference Hall. Her first AKB48 theater performance as a Team B member was on April 4, 2007. On March 25, 2009, she joined Watanabe Productions. On April 25, 2009, she became a weathergirl on Tokyo Broadcasting System TV's "Hiruobi". She came 9th place in the member elections for the single "Iiwake Maybe" and was made captain of Team B on August 23, 2009. Her first solo photobook was released on September 20, 2009. In 2010, She was made a member of three-piece AKB48 sub-group French Kiss. During the AKB48 third general election in 2011, she was ranked third place by popular votes, after Yuko Oshima and Atsuko Maeda.
Umeda Ayaka replaced Kashiwagi as the Captain of Team B, during the reformation of teams at the Tokyo Dome Concert held on August 24, 2012.
On February 6, 2013, Kashiwagi made a solo debut on her personal label "YukiRing", with the single "Shortcake".
In the annual general elections held in 2013, Kashiwagi came in fourth place with a total of 96,905 votes. 
She then released her second solo single, "Birthday Wedding" on October 16, 2013. 
In AKB48 Group Daisokaku Matsuri, held February 24, 2014, she became a member of NMB48's Team N while remaining in AKB48's Team B.  She made her first appearance as a member of NMB48 during the group's solo concert in Saitama Super Arena on April 5, 2014.  She made her debut at the NMB48 theater on April 30, 2014. 
In the group's annual general elections in 2014, Kashiwagi came in third place with a total of 104,364 votes. 
|Year||No.||Title||Release date||Chart position||Sales
|2013||1||"Shortcake"||February 6, 2013||2||2||104,799||127,530|
|2||"Birthday Wedding" ||October 16, 2013||2||2||65,000||76,220|
Singles with AKB48
- Sakura no Hanabiratachi 2008
- Baby! Baby! Baby! (Digital Single)
- Ogoe Diamond
- 10nen Zakura
- Namida Surprise!
- Iiwake Maybe
- Sakura no Shiori
- Ponytail to Shushu
- Heavy Rotation
- Sakura No Ki Ni Narou
- Everyday, Katyusha
- Flying Get
- Kaze wa Fuiteiru
- Give Me Five!
- Manatsu no Sounds Good!
- Gingham Check
- Eien Pressure
- So Long!
- Sayonara Crawl
- Koi Suru Fortune Cookie
- Heart Electric
- Mae shika Mukanee
- Labrador Retriever
- Kokoro no Placard
- Kibouteki Refrain
- Green Flash
Singles with NMB48
Singles with French Kiss
- Team B 1st Stage (Seishun Girls)
- Kinjirareta Futari
- Fushidara na Natsu
- Team B 2nd Stage (Aitakatta)
- Namida no Shonan
- Rio no Kakumei
- Koi no Plan
- Senaka Kara Dakishimete
- Team B 3rd Stage (Pajama Drive)
- Temodemo no Namida
- Team B 4th Stage (Idol no Yoake)
- Kuchi Utsushi no Chocolate
- Team B 5th Stage (Theater no Megami)
- Yokaze no Shiwaza
- Umeda Team B Waiting Stage
- Namida ni Shizumu Taiyou
- Team B 3rd Stage (Pajama Drive) - REVIVAL
- Junjou Shugi
- Team N 4th Stage (Koko ni Datte Tenshi wa Iru)
- Hajimete no Hoshi
- 100nen Saki Demo
- "Majisuka Gakuen" (マジすか学園?) (2010) - Black
- "Sakura kara no Tegami" (桜からの手紙 〜AKB48 それぞれの卒業物語〜?) (2011) - Kashiwagi Yuki
- "Majisuka Gakuen 2" (マジすか学園2?) (2011) - Black
- "Hanazakari no Kimitachi e" (花ざかりの君たちへ〜イケメン☆パラダイス〜2011?) (2011) - Kishinosato Juri
- "Mielino Kashiwagi" (ミエリーノ柏木?) (2013) - Kashiwagi Yuki
- "So long!" (2013) - Goto Midori
- "Fukuoka Renai Hakusho 8 – Megu to Ai-kun" (福岡恋愛白書8 メグとアイくん?) (2013) - Inoue Sae
- "Galileo" (タガーリン?) (2013) - Ejima Chihiro
- "Fortune Cookies" (WONDA×AKB48 ショートストーリー「フォーチュンクッキー」?) (2013)
- "Yorozu Uranaidokoro Onmyoya e Yokoso" (よろず占い処 陰陽屋へようこそ?) (2013) - Ayukawa Tamaki
- "Kurofuku Monogatari" (黒服物語?) (2014) - Miki
- "AKB 1ji59fun!" (AKB1じ59ふん!?) (2008)
- "AKB 0ji59fun!" (AKB0じ59ふん!?) (2008)
- "AKBingo!" (2008- )
- "Hiruobi!" (ひるおび!?) (2009- )
- "AKB48 Nemousu TV" (AKB48ネ申テレビ?) (2009- )
- "Ariyoshi AKB Kyowakoku" (有吉AKB共和国?) (Irregular appearances)
- "AKB48 SHOW!" (2013- )
- "AKB Shirabe" (※AKB調べ?) (2014- )
- Tales of the Abyss (October, 2008 - March, 2009, MBS)
- SKET DANCE (April, 2011 - March 2012, TV Tokyo)
- ∞・Infinity (2009) - Takashima Maria (Double cast with Minami Takahashi)
- AKB48 Ashita Made Mou Chotto (April 28, 2008 -, Nippon Cultural Broadcasting)
- ON8 (April 20, 2009 -, bayfm)
- Holiday Special bayfm meets AKB48 3rd Stage ~Real~ (September 15, 2008, bayfm)
- AKB48 Konya wa Kaeranai (November 29, 2008 - Chubu-Nippon Broadcasting)
- Kashiwagi Yuki no YUKIRIN TIME (2012- )
- AKB48 no All Night Nippon (Irregular appearances)
- Listen? ~Live 4 Life~ (Irregular appearances)
- ON8+1 (Irregular appearances)
- with AKB48
- AKB48 Request Hour Set List Best 100 (January 21–24, 2008)
- Live DVD wa Derudarou kedo, Yappari Name ni Kagiruze (August 23, 2008)
- AKB48 Masaka, Kono Concert no Ongen wa Ryuushutsu shinai yo ne? (November 23, 2008)
- End of the Year Thanksgiving: We're going to shuffle AKB! Give your regards to SKE as well (20 December 2008)
- AKB48 Request Hour Set List Best 100 2009 (January 18, 2009)
- AKB48 Bunshin no Jutsu Tour (August 15, 2009)
- AKB48 Natsu no Saruobasan Matsuri (September 13, 2009)
- Kashiwagi Yuki 3rd Solo Live Nete no Samete mo Yukirin World ~Motto Muchuu ni Sasechauzo♡~ (2013 concert, 2014 DVD/BD) 
- Kashiwagi Yuki First Photobook Ijou Kashiwagi Yuki Deshita (September 28, 2009)
- Kashiwagi Yuki Second Photobook Yu, Yu, Yukirin (April 19, 2012)
- "YukiRing". Avex Marketing. Retrieved November 28, 2012.
- "Reformation of AKB48 in Tokyo Dome Concert" (in Japanese). 2012-08-24.
- "AKB48 32ndシングル選抜総選挙 開票結果". AKB48 Blog (in Japanese). 2014-06-08. Retrieved 6 January 2015.
- "柏木由紀、史上初の抜擢「女の子の憧れです」". modelpress (in Japanese). 2013-09-12. Retrieved 6 January 2015.
- "【AKB組閣】“チームB一筋”柏木由紀、NMB48初兼任「私、最年長…」". Oricon (in Japanese). 2014-02-24. Retrieved 6 January 2015.
- "柏木由紀「おばちゃんて呼ばないで」 NMB48として初ステージ". Oricon (in Japanese). 2014-04-05. Retrieved 6 January 2015.
- "柏木由紀、大阪・NMB48劇場に初降臨 山本彩らとパフォーマンス". modelpress (in Japanese). 2014-05-01. Retrieved 6 January 2015.
- "「AKB48 37thシングル 選抜総選挙」開票結果". AKB48 Blog (in Japanese). 2014-06-07. Retrieved 6 January 2015.
- "AKB柏木、9年目で初センター こじはると2人体制". Oricon (in Japanese). 25 January 2015. Retrieved 27 January 2015.
- "オリコンランキング情報サービス「you大樹」". Oricon (in Japanese). Retrieved February 9, 2011.
- "Billboard Japan Hot 100". Billboard Japan. Hanshin Contents Link and Prometheus Global Media. 2013-02-18.
- "Kashiwagi Yuki unveils details on 2nd solo single". Natalie.mu. 2013-09-12. Retrieved 2013-09-12. Lay summary – Tokyohive.
- "Billboard Japan Hot 100". Billboard Japan. Hanshin Contents Link and Prometheus Global Media. 2013-10-28.
- YukiRing, Kashiwagi's vanity label under Avex Group (Japanese)
- Yuki Kashiwagi profile at AKB48 Official Site (Japanese)
- Yuki Kashiwagi at Oricon (Japanese)
- Yuki Kashiwagi Ameblo.jp blog (Japanese)
- Yuki Kashiwagi on Twitter (Japanese)
- Yuki Kashiwagi on Google+ (English)