Okai Chisato

Okai Chisato (岡井千聖) is a former Japanese pop singer. She is a former member of the group ℃-ute under Hello! Project. She is also a former member of Mellowquad and Triplet and leader of Team Okai.
On May 1, 2020, she announced she had retired from the entertainment industry.
==Biography==
===Early Life===
Okai Chisato was born on June 21, 1994 in Tokorozawa, Saitama, Japan to Okai Ken and Hitomi.
===2002-2005===
Okai first joined Hello! Project on June 30, 2002 as one of the fifteen children chosen from the Hello! Project Kids auditions.Hello! Morning. Broadcast Date: 2002-06-30.
In 2004 Berryz Koubou was formed, with the intention of rotating the kids throughout the unit.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. Okai didn't make the original pick, and the idea was eventually dropped.
The remaining kids ended up forming ℃-ute in 2005.Tsunku. "℃-ute （キュート） に関して" (in Japanese). Tsunku Official Website. 2005-06-11. The group didn't make its official debut until late in 2006, with their first major label single released in 2007.
===2007===
She was a member of Little Gatas until she was added to Gatas Brilhantes H.P.. She was also a part of the unit Athena & Robikerottsu consisting of Okai, Niigaki Risa, Mitsui Aika, and Nakajima Saki in 2007. They sang the opening and ending theme song for the anime Robby & Kerobby.
===2009===
She was put in the revival unit for Tanpopo with Kamei Eri, Mitsui Aika, and Kumai Yurina.
===2010===
A video of Okai covering the dance for Dance de Bakoon! was uploaded to ℃-ute's Official Youtube Channel. It achieved 100,000 views in 2 days; upon reaching 500,000 views, ℃-ute's new single Aitai Lonely Christmas was released in celebration.
From October 13 to 22, Okai starred in Akuma no Tsubuyaki with the other members of ℃-ute
On November 27, Okai became the first member of ℃-ute to get her own single and a separate listing on iTunes. Before the year ended, she released two more songs on iTunes.
===2011===
On January 24, Okai released another song on iTunes. The Solo Live 2011 Vol.1 ~Kaisha de Odotte Mita!~ was also released. The CD contains two songs from her iTunes list, while the DVD has singing and dancing of 12 songs.
On July 4, Okai and Ishikawa Rika starred in a mini drama titled "Tokusou Shirei! Aichi Police". Okai also starred in a stage play featuring Nakajima Saki, Miyamoto Karin and Kudo Haruka. titled 1974 Ikunayo.
===2012===
On April 18, it was announced that Okai, Mano Erina, Yajima Maimi, and Suzuki Airi will star in a new stage play titled Theatre in the Round. The stage play ran from May 15-17.
===2013===
On March 2, at SATOYAMA e Ikou! ~Forest For Rest~, Okai was announced a member of the new SATOUMI movement unit, Mellowquad, along with ℃-ute member Yajima Maimi and Berryz Koubou members Tokunaga Chinami and Natsuyaki Miyabi.
On April 1, it was announced Okai would have a regular Thursday segment on CBC’s Go Go Smile.
===2014===
On March 13, it was announced that Okai would be a member of a newly formed SATOYAMA movement unit called Triplet, alongside Kudo Haruka and Takagi Sayuki.
On March 26, it was announced Okai would be a regular on the TV show Haraichi no Kami Appli.
On June 21, Okai celebrated her 20th birthday at a special event called ℃-ute ~Okai Chisato Birthday Event 2014~. The event featured two performances in Tokyo.
===2015===
On June 20 and 21, Okai celebrated her birthday in a special fan club tour called Cutie Kankousha Fanclub Tour "Okai Chisato Birthday Party" in Nagano.
On July 24, it was announced that Okai Chisato would be a regular on TV Tokyo's Chou Shiritoriaru.http://natalie.mu/owarai/news/154763 The show ran from August 3 to August 24.
On August 13, Chisato appeared on the TV show VS Arashi as part of "Team Saitama"."VS嵐♡岡井千聖" (in Japanese). ℃-ute Official Blog. 2015-07-17.
===2016===
On May 29, Okai announced that she would undergo surgery for vocal cord nodules after her birthday, and would have limited activities for a short period after the surgery."ご報告です。岡井千聖" (in Japanese). ℃-ute Official Blog. 2016-05-29."℃-ute 岡井千聖に関して" (in Japanese). Hello! Project. 2016-05-28.
On June 22, Okai celebrated her 22nd birthday at a fanclub event called ℃-ute Okai Chisato Birthday Event 2016, featuring one performance at Differ Ariake.
On July 7, she announced on her blog that the surgery was successful."報告です！ 岡井ちゃん" (in Japanese). ℃-ute Official Blog. 2016-07-07. However, after consulting her doctor, Okai could only participate as an MC for the first three Hello! Project 2016 SUMMER shows on July 16 and 17, but returned to fully performing for the following concerts.
On August 20, it was announced that ℃-ute would disband next June at Saitama Super Arena."℃-uteに関するお知らせ" (in Japanese). Hello! Project. 2016-08-20."Announcement concerning ℃-ute." UP-FRONT LINK. 2016-08-20. Okai said she would like to continue working in variety afterwards.https://twitter.com/dmny1009/status/766659914630467584
===2017===
On May 27, Okai announced on her blog that after ℃-ute disbands in June she wants to focus on appearing on variety TV shows."今後について。岡井ちゃん" (in Japanese). ℃-ute Official Blog. 2017-05-27.
She joined M-line club on July 10."矢島舞美・中島早貴・鈴木愛理・岡井千聖　M-line club 加入のお知らせ" (in Japanese). M-line club. 2017-07-10.
On October 30, Okai performed two new solo songs titled "Oolong Hai no Onna" and "Haha no Kyoukun" for her Hello! Project 20 Shuunen Kinen Zen'yasai ~One by One~ solo live. "Oolong Hai no Onna" was digitally released on December 8."配信スタート！岡井千聖「ウーロンハイの女」" (in Japanese). UP-FRONT WORKS. 2017-12-08. "Haha no Kyoukun" was announced to also be digitally released "soon","初ソロ曲「ウーロンハイの女」「ハハの教訓」近日配信開始予定！" (in Japanese). J.P ROOM Inc. 2017-11-10. but no further details have been revealed since.
On November 10, Okai's profile was added to .
===2018===
On February 18 and 21, Okai held the Okai Chisato Solo Live 2018 ~Oolong Hai no Onna~ at COTTON CLUB.
On May 15, she announced that she was hospitalized because of a recurrence of vocal cord nodules and was scheduled for surgery the next day.https://twitter.com/okai_chisato/status/996271715691868160 Okai rested for a week afterwards, which she was expected to recover in time for her birthday live.https://twitter.com/okai_chisato/status/996627312060727296
On June 21, Okai celebrated her 24th birthday at a fanclub live titled Okai Chisato FC Live ① ~Katte ni Hello Pro 20 Shuunen Omedetou! 1998~2006~ -A, Watashi mo Omedetou!-, which was also held to celebrate Hello! Project's 20th anniversary with fan-requested songs from between 1996 and 2006. Two shows took place at Yamano Hall."★ファンクラブ会員限定イベント★「岡井千聖FCライブ①～ 勝手にハロプロ20周年おめでとう！1998～2006 ～ -あ、私もおめでとう！-」開催決定！" (in Japanese). M-line club official site. 2018-04-05.
On August 3, Okai performed at TOKYO IDOL FESTIVAL 2018 on the HOT STAGE. In the first part, she covered Buono! songs as the one-shot unit Cattivo! with Kobushi Factory member Hamaura Ayano and Tsubaki Factory member Asakura Kiki. In the second part of the stage, Okai performed ℃-ute songs with idols who love ℃-ute."今年も℃-uteの名曲を岡井千聖と℃-ute大好きアイドルたちがTIFで熱演！" (in Japanese). TOKYO IDOL FESTIVAL 2018. 2018-08-01."元℃-uteの岡井千聖、TIF2018で浜浦彩乃＆浅倉樹々とともにBuono!を再現　「おいしい2人が組んでくれて、逆に申し訳ない」" (in Japanese). Deview. 2018-08-03.
On September 22, she held the Okai Chisato FC Live ② ~Katte ni Hello Pro 20 Shuunen Omedetou! 2007-2012~ with two shows at Yamano Hall.
On September 23, Okai was appointed with eight other OG and active Hello! Project members from Saitama Prefecture as Host City Special Supporters for Kumagaya during the Rugby World Cup 2019 hosted by Japan."" (in Japanese). Hello! Project. 2018-09-19.<"ラグビーワールドカップ2019™開催1年前イベント" (in Japanese). Saitama Prefecture. 2018-09-18.
Starting on October 4, Okai became the main MC for the TOKYO MX information variety program Bakusou Roke Hunter."メインＭＣ岡井千聖／司会進行安東弘樹　明日スグ行きたくなるスポット見つけます！TOKYO MX『爆走ロケハンター』2018年10月4日（木）26：10放送スタート" (in Japanese). PR TIMES. 2018-10-01.
On November 2, Okai was appointed as an ambassador of Keirin Marché, a media company that endorses beginner and experienced cycling races.https://twitter.com/okai_chisato/status/1058224549102149632
===2019===
On January 19 and 20, she held the Okai Chisato Fanclub Tour ~Boso de Asa Ii Hanashi~.
On February 11, she held the Okai Chisato FC Live ③ ~Katte ni Hello Pro 20 Shuunen Omedetou! 2013-2018~ with two shows at Yamano Hall.
On April 26, Okai announced that she has decided to take a break from entertainment activities as she has been continuously working for 17 years since she joined Hello! Project Kids, and she wants to take the time to figure out what she wants to do next in life. She does not know how long her hiatus will be and she will not use her blog or SNS while she rests."ファンの皆様へ" (in Japanese). Okai Chisato Official Blog. 2019-04-26.
On July 6, it was reported that Okai was in an affair with Mitani Ryouki. Mitani, a renowned professional cyclist, was married at the time and a father to four children. The pair allegedly met in late 2017 and began the affair in spring 2018, when Okai was seen at Mitani's races. At the time the news broke, Mitani and his wife were in the middle of divorce proceedings. Mitani's wife is also seeking child support from her husband and monetary compensation from Okai for damages."元℃-ute岡井千聖の“略奪不倫”で競輪賞金王が離婚　家族崩壊で妻は慰謝料請求へ" (in Japanese). Bunshun. 2019-07-06."元℃-ute岡井千聖に競輪選手との不倫報道　選手の元妻から慰謝料請求も" (in Japanese). Nifty News. 2019-07-06.
===2020===
On February 5, Okai's family opened up an official YouTube channel. https://www.youtube.com/watch?v=BXW1YzR3ado It was deleted a few months later without explanation.
On May 1, Okai announced that she had retired from the entertainment industry and ended her contract with on April 30. In her blog post, she announced that she would be using the experience she obtained so far to devote to her family's work.Okai Chisato. "ファンの皆様へ" (in Japanese). Okai Chisato Official Blog. 2020-05-01."岡井千聖に関するご報告" (in Japanese). J.P ROOM. 2020-05-01."岡井千聖、芸能界引退を発表" (in Japanese). ORICON NEWS. 2020-05-01.
On May 15, her family opened up an official Twitter account and fanclub. https://twitter.com/okaike_tv0515/status/1261220791942709249 https://twitter.com/okaike_tv0515/status/1261220834544254978
==Personal Life==
==Profile==
==Discography==
===Indie Singles===
*[2011.01.25] Romantic Ukare Mode (Fujimoto Miki cover)
===Songs===
;Digital Songs
*[2010.11.27] LOVE Namida Iro (Matsuura Aya cover)
*[2010.12.10] Manatsu no Kousen (Morning Musume cover)
*[2010.12.10] Egao ni Namida ~Thank You! My Dear Firends~ (Matsuura Aya cover)
*[2011.03.29] Furusato (Morning Musume cover)
*[2017.12.08] Oolong Hai no Onna
;Solo Songs
*[2012.02.02] Tokai no Neon ga Odoroku Kurai no Utsukushisa ga Hoshii (都会のネオンが驚くくらいの美しさがほしい; I Want To Be Beautiful Enough To Overshadow the Neon Lights of the City)
*[2012.04.18] Kimi wa Jitensha Watashi wa Densha de Kitaku (君は自転車　私は電車で帰宅; You Ride Your Bicycle, While I Catch the Train To Get Home) (C-ute cover)
*[2013.04.03] Kanashiki Heaven (悲しきヘブン; Sad Heaven) (Okai Part Ver.)
;Original Songs
*[2017] Haha no Kyoukun
===Solo Image DVDs===
*[2010.12.24] Chissaa (ちっさー)
*[2011.12.09] IMP. GIRL (e-Hello! DVD)
===Live DVDs===
*[2011.02.25] Solo Live 2011 Vol.1 ~Kaisha de Odottemita!~ Live in Heaven (会社で踊ってみた)
*[2011.04.18] Solo Live 2011 Vol.2 ~Hanzomon de Odottemita!!~ (半蔵門で踊ってみた)
===Fanclub DVDs===
*[2013.10.26] Okai Chisato Birthday Event ~last teenage~
*[2014.09.26] ℃-ute Okai Chisato Birthday Event 2014
*[2015.03.26] ℃-ute Suzuki Airi・Okai Chisato FC Event 2015
*[2015.08.27] Cutie Kankousha Fanclub Tour "Okai Chisato Birthday Party" in Nagano
*[2016.xx.xx] ℃-ute Okai Chisato Birthday Event 2016
*[2017.01.26] ℃-ute Suzuki Airi・Okai Chisato FC Event 2016
*[2017.10.26] ℃-ute Okai Chisato・Hagiwara Mai FC Event 2017
*[2018.09.26] Okai Chisato FC Live ① ~Katte ni Hello Pro 20 Shuunen Omedetou! 1998~2006~ -A, Watashi mo Omedetou!-
*[2018.12.27] Okai Chisato FC Live ② ~Katte ni Hello Pro 20 Shuunen Omedetou! 2007-2012~
*[2019.06.26] Okai Chisato FC Live ③ ~Katte ni Hello Pro 20 Shuunen Omedetou! 2013-2018~
==Publications==
===Solo Photobooks===
*[2010.12.22] Chisato
===Calendars===
*[2018.10.13] Okai Chisato 2019nen Calendar (岡井千聖 2019年 カレンダー)
==Works==
===Movies===
*[2002] Koinu Dan no Monogatari (仔犬ダンの物語)
*[2004] Hotaru no Hoshi (ほたるの星)
*[2011] Ousama Game (王様ゲーム) (as Maruoka Kaori)
*[2011] Gomennasai (ゴメンナサイ)
===TV Programs===
*[2002–2007] Hello! Morning (ハロー! モーニング)
*[2007] ℃-ute has come. ~℃-ute ga Yatte Kita~ (℃-ute has come.～キュートガヤッテキタ～) (2 episodes)
*[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)
*[2012–2013] Hello! SATOYAMA Life (ハロー！ＳＡＴＯＹＡＭＡライフ)
*[2013–2014] GOGO! Smile! (ゴゴスマ)
*[2014–2017] The Girls Live
*[2014–2015] Haraichi no Kami Appli (ハライチの神アプリ)
*[2014] ℃-ute no Challenge TV (℃-uteのチャレンジTV)
*[2015–2016] Afro no Hen (アフロの変)
*[2015] Chou Shiritoriaru (超シリトリアル)
*[2018–2019] Bakusou Roke Hunter (爆走ロケハンター)
===TV Dramas===
*[2011] Tokusou Shirei! Aichi Police (特捜指令！アイチ★ポリス) (as Mai)
*[2012] Suugaku♥Joshi Gakuen (数学♥女子学園)
===Theater===
*[2004] 34 Choume no Kiseki -HERE'S LOVE- (34丁目の奇跡 -HERE'S LOVE-)
*[2007] Neruko wa ℃-ute
*[2008] Keitai Shosetsuka
*[2009] Atarumo Hakke!?
*[2010] Akuma no Tsubuyaki
*[2011] 1974 (Ikunayo) (1974(イクナヨ))
*[2011] Sengoku Jieitai
*[2012] STRONGER (ストロンガー)
*[2012] Theater in The Round (青山円形劇場)
*[2013] Sakura no Hanataba (さくらの花束) as Koyamada Mei (小山田芽以)
===Internet===
*[2010–2012] Okaichan, Neru! (岡井ちゃん、寝る!)
*[2011] Michishige Sayumi no "Mobekimasutte Nani??" 
*[2013–2017] Hello! Project Station
*[2014–2016] MUSIC+
*[2015–2016] GREEN ROOM
*[2016–2019] Upcoming
*[2016–2017] Girls Night Out
===Music Videos===
*[2007] Buono! - Honto no Jibun
*[2013] Okai Chisato - DARS de Bakoon!
===Radio===
*[2013] Tokai no Hitorigurashi (都会の一人暮らし) (Radio drama)
*[2016.10] HELLO! DRIVE! (HELLO! DRIVE! -ハロドラ-) (Fridays)
==Solo Events==
==Rankings & Milestones==
*She ranked 4th in a magazine's 2011 "Girls that seem like they'll become big stars in the future".http://chisatointelligenceagency.files.wordpress.com/2011/06/lib396789.jpg
*She ranked at #38 in Anikan R Yanyan magazine's May 2013 "Singing idol you like the most".
*She ranked 9th in mixi's June 2013 Hello! Project Popularity Ranking.
==Trivia==
==Honorary Titles==
|}
==References==
==External Links==
*J.P ROOM Profile (archived)
*Twitter (deleted)
*Instagram (deleted)
*Personal Instagram (deleted)
*Official Blog (inactive)
*Okai Family Twitter
*Okai Family YouTube channel (deleted)
*Okai Family Fanclub
*℃-ute Profile (archived)
*Official ℃-ute Ameba Blog (inactive)
*Official ℃-ute GREE Blog (inactive)
cs:Okai Chisato
de:Okai Chisato
es:Okai Chisato
it:Okai Chisato
ja:岡井千聖
Category:Multiethnic Members
Category:Okai Chisato
Category:C-ute
Category:Hello! Project Kids
Category:Wonderful Hearts
Category:Tanpopo
Category:Blood Type A
Category:1994 Births
Category:2002 Additions
Category:Members from Saitama
Category:Athena & Robikerottsu
Category:June Births
Category:Members born in Heisei Period
Category:Hello! Project
Category:Members born before Hello! Project's formation
Category:Members featured in Hello! Pro Time
Category:Members featured in Hello! SATOYAMA Life
Category:Members featured in Hello! Morning
Category:Members featured on Utaban
Category:Members featured in Yorosen!
Category:Gatas Brilhantes H.P.
Category:Members featured in Hello! Pro Hour
Category:Members featured in Berikyuu!
Category:H.P. All Stars
Category:Hello! Project Mobekimasu
Category:BeriKyuu
Category:Soloists
Category:Up-Front Works (label)
Category:Green Member Color
Category:Blue Member Color
Category:Mellowquad
Category:Unit Leaders
Category:Gemini
Category:Members featured in Hello! Project Station
Category:Triplet
Category:2017 Departures
Category:Okaileage
Category:Hello! Project Graduates
Category:M-line club
Category:J.P. Room
Category:Cattivo!
Category:Members involved in Scandals
Category:Dog
Category:Retired