image of Chisato Okai
Birthday: Jun 21, 1994
Place of Birth: Tokorozawa, Saitama Prefecture, Japan

Chisato Okai

岡井千聖 (Okai Chisato) 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.

Filmography
Movie Cast Year
Berryz Kobo & ℃-ute Nakayoshi Battle Concert Tour 2008 Haru ~Berryz Kamen vs Cutie Ranger~ 2008
Hello! Morning Haromoni Gekijou Vol.4 "Hirusagari no Moomamatachi & Bus ga Kuru Made" 2003
Ring of Curse Chikako's Sister 2011
Zomvideo 2011
Hello! Channel Vol.10 ~Tabi wo Shichaimashita! Special~ 2012
Hello! Channel Vol.9 2012
Hello! Channel Vol.8 2012
Hello! Channel Vol.6 2011
Hello! Channel Vol.12 ~Tanaka Reina Sotsugyou Special!~ 2013
Hello! Channel Vol.11 ~2013nen Shinshun Tokudaigou Mano Erina Sotsugyou Special!~ 2012
Hello! Channel Vol.7 2011
Hello! Channel Vol.3 2010
Hello! Channel Vol.4 2011
Hello! Channel Vol.5 2011
Hello! Channel Vol.2 2010
Hello! Channel Vol.1 2010
℃-uteコンサートツアー2008夏〜忘れたくない夏〜 2008
℃-ute コンサートツアー 2009 春〜 A B ℃ 〜 2009
℃-uteコンサートツアー2009夏秋〜キューティーJUMP！〜 2009
℃-ute Cutie Circuit 2008〜9月10日は℃-uteの日〜 2008
℃-ute デビュー単独コンサート 2007 春〜始まったよ! キューティーショー〜 2007
Cutie Circuit 2007 〜9月10日は℃-uteの日〜 2007
℃-ute ライブツアー2007秋〜放課後のエッセンス〜 2007
Ousama Game Kaori Maruoka 2011
℃-ute Zen Single MUSIC VIDEO Blu-ray File 2011 2011
Hello! Project 2002 Summer ~ONE HAPPY SUMMER DAY~ 2002
Hello! Project 2003 Summer ~Yossha! Bikkuri Summer!!~ 2003
Hello! Project 2003 Winter ~Tanoshin Jattemasu!~ 2003
Hello! Project 2004 Summer ~Natsu no Doon!~ 2004
Hello! Project 2004 Winter ~C'MON! Dance World~ 2004
Hello! Project 2007 Winter ~Wonderful Hearts Otome Gocoro~ 2007
Hello! Project 2005 Winter ~A HAPPY NEW POWER! Akagumi~ 2005
Hello! Project 2006 Summer ~Wonderful Hearts Land~ 2006
Hello! Project 2007 Winter ~Shuuketsu! 10th Anniversary~ 2007
Hello! Project 2005 Summer no Kayou Show ~'05 Selection! Collection!~ 2005
Hello! Project 2013 COUNTDOWN PARTY 2013-2014 ~GOODBYE & HELLO!~ 2013
Hello! Project 2013 Spring Yaon Premium LIVE ~Soto Fes~ 2013
Hello! Project 2005 Winter All-Stars Dairanbu ~A HAPPY NEW POWER! Iida Kaori Sotsugyou Special~ 2005
Hello! Project 2007 Winter ~Live DVD Box Bonus Video~ 2007
Hello! Project 2013 Spring Haru no Dai Kansha Hinamatsuri Festival 2013 ～Berryz Koubou 10 Nenme Totsunyuu Special!～ 2013
Hello! Project 2007 Summer 10th Anniversary Dai Kanshasai ~Hello☆Pro Natsu Matsuri~ 2007
Hello! Project 2013 Summer COOL HELLO! ~Mazekooze!~ 2013
Hello! Project 2008 Winter ~Wonderful Hearts Nenjuu Mukyuu~ 2008
Hello! Project 2008 Winter ~Live DVD Box Bonus Video~ 2008
Hello! Project 2009 Summer Kakumei Gannen ~Hello! Chanpuru~ 2009
Hello! Project 2008 Summer Wonderful Hearts Kouen ~Hishochi de Date Itashima SHOW~ 2008
Hello! Project 2013 Summer COOL HELLO! ~Sorezoore!~ 2013
Hello! Project 2008 Winter ~Kettei! Hello☆Pro Award '08~ 2008
Hello! Project 2009 Winter Kettei! Hello☆Pro Award '09 ~Backstage Video~ 2009
Hello! Project 2009 Winter Kettei! Hello☆Pro Award '09 ~Elder Club Sotsugyou Kinen Special~ 2009
Hello! Project 2010 Summer ~Fankora!~ 2010
Hello! Project 2009 Winter Wonderful Hearts Kouen ~Kakumei Gannen~ 2009
Hello! Project 2015 Summer ~CHALLENGER~ 2015
Hello! Project 2016 COUNTDOWN PARTY 2016-2017 ~GOODBYE & HELLO!~ 2016
Hello! Project 2015 Winter ~DANCE MODE!~ 2015
Hello! Project 2010 Winter Kachou Fuugetsu ~Shuffle Date~ 2010
Hello! Project 2016 Hina Fes ~℃-ute Premium~ 2016
Hello! Project 2010 Winter Kachou Fuugetsu ~Mobekimasu!~ 2010
Hello! Project 2011 Autumn Hello! Project ☆ Festival 2011 ~MOBEKIMASU~ 2011
Hello! Project 2016 Winter ~DANCING! SINGING! EXCITING!~ 2016
Hello! Project 2016 Summer ~Rainbow Carnival~ 2016
Hello! Project 2016 Summer ~Sunshine Parade~ 2016
Hello! Project 2018 Summer ~OG Corner 2~ Hello! Project 20th Anniversary!! 2018
Hello! Project 2017 Hina Fes ~℃-ute Premium~ 2017
Hello! Project 2017 Hina Fes ~Morning Musume.'17 Premium~ 2017
Hello! Project 2011 Winter ~Kangei Shinsen Matsuri~ A gana Live 2011
Hello! Project 2013 Winter Tanjou 15 Shuunen Kinen Live 2013 Fuyu ~VIVA!~ 2013
Hello! Project 2011 Summer ~Nippon no Mirai wa YEAH YEAH Live~ 2011
Hello! Project 2011 Winter ~Kangei Shinsen Matsuri~ B kkuri Live 2011
Hello! Project 2011 Summer ~Nippon no Mirai wa WOW WOW Live~ 2011
Hello! Project 2013 Winter Tanjou 15 Shuunen Kinen Live 2013 Fuyu ~BRAVO!~ 2013
Hello! Project 2015 COUNTDOWN PARTY 2015-2016 ~GOODBYE & HELLO!~ 2015
Hello! Project 2012 Winter Hello☆Pro Tengoku ~Rock-chan~ 2012
Hello! Project 2012 Summer Tanjou 15 Shuunen Kinen Live 2012 Natsu ~Ktkr (Kitakore) Natsu no Fan Matsuri!~ 2012
Hello! Project 2014 COUNTDOWN PARTY 2014-2015 ~GOODBYE & HELLO!~ 2014
Hello! Project 2012 Summer Tanjou 15 Shuunen Kinen Live 2012 Natsu ~Wkwk (Wakuwaku) Natsu no FAN Matsuri!~ 2012
Hello! Project 2012 Winter Hello☆Pro Tengoku ~Funky-chan~ 2012
Hello! Project 2013 Spring Haru no Dai Kansha Hinamatsuri Festival 2013 ~Thank You For Your Love!~ 2013
Hello! Project 2019 Winter ~NEW AGE~ Hello! Project 20th Anniversary!! 2019
Hello! Project 2019 Winter ~YOU & I~ Hello! Project 20th Anniversary!! 2019
Hello! Project 2014 Hina Fes ~Full Course~ Main Dish wa ℃-ute Desu. 2014
Hello! Project 2014 Summer ~YAPPARI!~ 2014
Hello! Project 2014 Summer ~KOREZO!~ 2014
Hello! Project 2014 Winter ~DE-HA MiX~ 2014
Hello! Project 2015 Hina Fes ~Mankai! The Girls' Festival~ ANGERME & Juice=Juice Premium 2015
Hello! Project 2015 Hina Fes ~Mankai! The Girls' Festival~ ℃-ute Premium 2015
Hello! Project 2014 Winter ~GOiSU MODE~ 2014
Hello! Project 2015 Hina Fes ~Mankai! The Girls' Festival~ Morning Musume.'15 Premium 2015
Hello Pro! TIME Vol.5 2011
Hello! Project DVD Magazine Vol.48 2016
Hello! Project 2015 Summer ~DISCOVERY~ 2015
Hello! Project Sports Festival 2003 2003
Hello! Project 2018 Summer ~OG Corner 1~ Hello! Project 20th Anniversary!! 2018
Koinu Dan no Monogatari - Making Of 2003
The Story of Dan the Puppy 2002
Hello! Project 2015 Winter ~HAPPY EMOTION!~ 2015
Hello! Project 2017 Hina Fes ~ANGERME & Juice=Juice Premium~ 2017
Hello! Project 2017 Hina Fes ~Tsugunaga Momoko Premium~ 2017
Yaguchi Mari to iku! ℃-ute chotto 1-kyoku kiite kudasai! Vol.1 2004
℃-ute 2017 Summer Last Concert in Saitama Super Arena ~Thank you team ℃-ute~ 2017
℃-ute 2010 Spring ~Shocking LIVE~ 2010
℃-ute 2012~2013 Winter ~Shinseinaru Pentagram~ 2013
℃-ute 2010 Summer-Autumn ~Dance Special!! 'Chou Uranaito!!'~ 2010
℃-ute 2011 Spring 'Chou! Chou Wonderful Tour' 2011
℃-ute 2012 Spring-Summer ~Utsukushikutte Gomen ne~ 2012
℃-ute 2013 Autumn"Queen of J-POP ~Tadoritsuita Onna Senshi~" in Budokan 2013
℃-ute 2015 Spring 9→10 Shuunen Kinen ~The Future Departure~ 2015
℃-ute 2014 Spring ~℃-ute no Honne~ 2014
℃-ute 2014 Autumn ~Monster~ 2014
℃-ute 2015 Autumn Cutie Circuit ~9gatsu 10ka wa ℃-ute no Hi~ 2015
℃-ute 2015 Autumn ~℃an't STOP!!~ 2015
℃-ute 2013 Spring ~Treasure Box~ 2013
℃-ute 2014 Autumn (910) no Hi Special Concert ~Thank you BeriKyuu!~ in Nippon Budokan 2014
Hello! Project DVD Magazine Vol.2 2005
Hello! Project DVD Magazine Vol.1 2004
Hello! Project DVD Magazine Vol.3 2005
Hello! Project DVD Magazine Vol.6 2006
Hello! Project DVD Magazine Vol.4 2006
Hello! Project DVD Magazine Vol.12 2008
Hello! Project DVD Magazine Vol.8 2007
Hello! Project DVD Magazine Vol.10 2007
Hello! Project DVD Magazine Vol.11 2007
Hello! Project DVD Magazine Vol.7 2006
Hello! Project DVD Magazine Vol.14 2008
Hello! Project DVD Magazine Vol.15 2008
Hello! Project DVD Magazine Vol.16 2009
Hello! Project DVD Magazine Vol.23 2011
Hello! Project DVD Magazine Vol.19 2009
Hello! Project DVD Magazine Vol.20 2010
Hello! Project DVD Magazine Vol.21 2010
Hello! Project DVD Magazine Vol.18 2009
Hello! Project DVD Magazine Vol.22 2010
Hello! Project DVD Magazine Vol.28 2012
Hello! Project DVD Magazine Vol.30 2012
Hello! Project DVD Magazine Vol.24 2011
Hello! Project DVD Magazine Vol.25 2011
Hello! Project DVD Magazine Vol.27 2011
Hello! Project DVD Magazine Vol.26 2011
Hello! Project DVD Magazine Vol.31 2012
Hello! Project DVD Magazine Vol.35 2013
Hello! Project DVD Magazine Vol.32 2012
Hello! Project DVD Magazine Vol.33 2012
Hello! Project DVD Magazine Vol.34 2013
Hello! Project DVD Magazine Vol.36 2013
Hello! Project 2006 Winter ~Zeninshuu GO!~ 2006
Hello! Project Sports Festival 2004 2004
Hello! Project 2006 Winter ~Wonderful Hearts~ 2006
Hello! Project DVD Magazine Vol.37 2013
Hello! Project DVD Magazine Vol.38 2013
Hello! Project DVD Magazine Vol.42 2014
Hello! Project DVD Magazine Vol.39 2013
Hello! Project DVD Magazine Vol.43 2014
Hello! Project DVD Magazine Vol.40 2014
Hello! Project DVD Magazine Vol.41 2014
Hello! Project DVD Magazine Vol.44 2015
Hello! Project DVD Magazine Vol.49 2016
Hello! Project DVD Magazine Vol.47 2015
Hello! Project DVD Magazine Vol.46 2015
Hello! Project DVD Magazine Vol.45 2015
Hello! Project DVD Magazine Vol.50 2016
Hello! Project DVD Magazine Vol.51 2016
Petit Best 9 2008
Petit Best 8 2007
Petit Best 12 2011
Petit Best 10 2009
Petit Best 11 2010
Petit Best 13 2012
Petit Best 14 2013
Petit Best 15 2014
Petit Best 17 2016
Petit Best 18 2017
Petit Best 16 2015
Petit Best 20 2020 2020
Petit Best 7 2006
Yaguchi Mari to iku! ℃-ute chotto 1-kyoku kiite kudasai! Vol.2 2004
S/mileage 2014 Summer LIVE FULL CHARGE ~715 Nippon Budokan~ 2014
℃-ute 2006 Cutie Circuit Final in YOMIURI LAND EAST LIVE ~9gatsu 10ka wa ℃-ute no Hi~ 2006
℃-ute Cutie Circuit ~First Trip to Taipei~ 2014
℃-ute 2009 Cutie Circuit ~9gatsu 10ka wa ℃-ute no Hi~ 2009
℃-ute 2007 Spring ~Golden Hatsu Date~ 2007
℃-ute 2012 Cutie Circuit ~9gatsu 10ka wa ℃-ute no Hi~ 2012
Hello! Project Sports Festival 2006 Solo Okai Chisato 2006
Series Cast Year
いきなりマリッジ 2018
Nikenme Dou Suru? ~Tsumami no Hanashi~ 2017
Utaban 1996
Hello Pro! TIME 1970
Yorosen! 2008
Bijo Gaku 2010
P-sma 1970
HEY!HEY!HEY! MUSIC CHAMP 1970
Ustream Musume 1970
MUSIC JAPAN 1970
Suugaku ♥ Joshi Gakuen 2012
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