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.

Cast

Berryz Kobo & ℃-ute Nakayoshi Battle Concert Tour 2008 Haru ~Berryz Kamen vs Cutie Ranger~

Hello! Morning Haromoni Gekijou Vol.4 "Hirusagari no Moomamatachi & Bus ga Kuru Made"

Ring of Curse

(Chikako's Sister)

Zomvideo

Hello! Channel Vol.10 ~Tabi wo Shichaimashita! Special~

Hello! Channel Vol.9

Hello! Channel Vol.8

Hello! Channel Vol.6

Hello! Channel Vol.12 ~Tanaka Reina Sotsugyou Special!~

Hello! Channel Vol.11 ~2013nen Shinshun Tokudaigou Mano Erina Sotsugyou Special!~

Hello! Channel Vol.7

Hello! Channel Vol.3

Hello! Channel Vol.4

Hello! Channel Vol.5

Hello! Channel Vol.2

Hello! Channel Vol.1

℃-uteコンサートツアー2008夏〜忘れたくない夏〜

℃-ute コンサートツアー 2009 春〜 A B ℃ 〜

℃-uteコンサートツアー2009夏秋〜キューティーJUMP!〜

℃-ute Cutie Circuit 2008〜9月10日は℃-uteの日〜

℃-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〜

Cutie Circuit 2007 〜9月10日は℃-uteの日〜

℃-ute ライブツアー2007秋〜放課後のエッセンス〜

Ousama Game

(Kaori Maruoka)

℃-ute Zen Single MUSIC VIDEO Blu-ray File 2011

Hello! Project 2002 Summer ~ONE HAPPY SUMMER DAY~

Hello! Project 2003 Summer ~Yossha! Bikkuri Summer!!~

Hello! Project 2003 Winter ~Tanoshin Jattemasu!~

Hello! Project 2004 Summer ~Natsu no Doon!~

Hello! Project 2004 Winter ~C'MON! Dance World~

Hello! Project 2007 Winter ~Wonderful Hearts Otome Gocoro~

Hello! Project 2005 Winter ~A HAPPY NEW POWER! Akagumi~

Hello! Project 2006 Summer ~Wonderful Hearts Land~

Hello! Project 2007 Winter ~Shuuketsu! 10th Anniversary~

Hello! Project 2005 Summer no Kayou Show ~'05 Selection! Collection!~

Hello! Project 2013 COUNTDOWN PARTY 2013-2014 ~GOODBYE & HELLO!~

Hello! Project 2013 Spring Yaon Premium LIVE ~Soto Fes~

Hello! Project 2005 Winter All-Stars Dairanbu ~A HAPPY NEW POWER! Iida Kaori Sotsugyou Special~

Hello! Project 2007 Winter ~Live DVD Box Bonus Video~

Hello! Project 2013 Spring Haru no Dai Kansha Hinamatsuri Festival 2013 ~Berryz Koubou 10 Nenme Totsunyuu Special!~

Hello! Project 2007 Summer 10th Anniversary Dai Kanshasai ~Hello☆Pro Natsu Matsuri~

Hello! Project 2013 Summer COOL HELLO! ~Mazekooze!~

Hello! Project 2008 Winter ~Wonderful Hearts Nenjuu Mukyuu~

Hello! Project 2008 Winter ~Live DVD Box Bonus Video~

Hello! Project 2009 Summer Kakumei Gannen ~Hello! Chanpuru~

Hello! Project 2008 Summer Wonderful Hearts Kouen ~Hishochi de Date Itashima SHOW~

Hello! Project 2013 Summer COOL HELLO! ~Sorezoore!~

Hello! Project 2008 Winter ~Kettei! Hello☆Pro Award '08~

Hello! Project 2009 Winter Kettei! Hello☆Pro Award '09 ~Backstage Video~

Hello! Project 2009 Winter Kettei! Hello☆Pro Award '09 ~Elder Club Sotsugyou Kinen Special~

Hello! Project 2010 Summer ~Fankora!~

Hello! Project 2009 Winter Wonderful Hearts Kouen ~Kakumei Gannen~

Hello! Project 2015 Summer ~CHALLENGER~

Hello! Project 2016 COUNTDOWN PARTY 2016-2017 ~GOODBYE & HELLO!~

Hello! Project 2015 Winter ~DANCE MODE!~

Hello! Project 2010 Winter Kachou Fuugetsu ~Shuffle Date~

Hello! Project 2016 Hina Fes ~℃-ute Premium~

Hello! Project 2010 Winter Kachou Fuugetsu ~Mobekimasu!~

Hello! Project 2011 Autumn Hello! Project ☆ Festival 2011 ~MOBEKIMASU~

Hello! Project 2016 Winter ~DANCING! SINGING! EXCITING!~

Hello! Project 2016 Summer ~Rainbow Carnival~

Hello! Project 2016 Summer ~Sunshine Parade~

Hello! Project 2018 Summer ~OG Corner 2~ Hello! Project 20th Anniversary!!

Hello! Project 2017 Hina Fes ~℃-ute Premium~

Hello! Project 2017 Hina Fes ~Morning Musume.'17 Premium~

Hello! Project 2011 Winter ~Kangei Shinsen Matsuri~ A gana Live

Hello! Project 2013 Winter Tanjou 15 Shuunen Kinen Live 2013 Fuyu ~VIVA!~

Hello! Project 2011 Summer ~Nippon no Mirai wa YEAH YEAH Live~

Hello! Project 2011 Winter ~Kangei Shinsen Matsuri~ B kkuri Live

Hello! Project 2011 Summer ~Nippon no Mirai wa WOW WOW Live~

Hello! Project 2013 Winter Tanjou 15 Shuunen Kinen Live 2013 Fuyu ~BRAVO!~

Hello! Project 2015 COUNTDOWN PARTY 2015-2016 ~GOODBYE & HELLO!~

Hello! Project 2012 Winter Hello☆Pro Tengoku ~Rock-chan~

Hello! Project 2012 Summer Tanjou 15 Shuunen Kinen Live 2012 Natsu ~Ktkr (Kitakore) Natsu no Fan Matsuri!~

Hello! Project 2014 COUNTDOWN PARTY 2014-2015 ~GOODBYE & HELLO!~

Hello! Project 2012 Summer Tanjou 15 Shuunen Kinen Live 2012 Natsu ~Wkwk (Wakuwaku) Natsu no FAN Matsuri!~

Hello! Project 2012 Winter Hello☆Pro Tengoku ~Funky-chan~

Hello! Project 2013 Spring Haru no Dai Kansha Hinamatsuri Festival 2013 ~Thank You For Your Love!~

Hello! Project 2019 Winter ~NEW AGE~ Hello! Project 20th Anniversary!!

Hello! Project 2019 Winter ~YOU & I~ Hello! Project 20th Anniversary!!

Hello! Project 2014 Hina Fes ~Full Course~ Main Dish wa ℃-ute Desu.

Hello! Project 2014 Summer ~YAPPARI!~

Hello! Project 2014 Summer ~KOREZO!~

Hello! Project 2014 Winter ~DE-HA MiX~

Hello! Project 2015 Hina Fes ~Mankai! The Girls' Festival~ ANGERME & Juice=Juice Premium

Hello! Project 2015 Hina Fes ~Mankai! The Girls' Festival~ ℃-ute Premium

Hello! Project 2014 Winter ~GOiSU MODE~

Hello! Project 2015 Hina Fes ~Mankai! The Girls' Festival~ Morning Musume.'15 Premium

Hello Pro! TIME Vol.5

Hello! Project DVD Magazine Vol.48

Hello! Project 2015 Summer ~DISCOVERY~

Hello! Project Sports Festival 2003

Hello! Project 2018 Summer ~OG Corner 1~ Hello! Project 20th Anniversary!!

Koinu Dan no Monogatari - Making Of

The Story of Dan the Puppy

Hello! Project 2015 Winter ~HAPPY EMOTION!~

Hello! Project 2017 Hina Fes ~ANGERME & Juice=Juice Premium~

Hello! Project 2017 Hina Fes ~Tsugunaga Momoko Premium~

Yaguchi Mari to iku! ℃-ute chotto 1-kyoku kiite kudasai! Vol.1

℃-ute 2017 Summer Last Concert in Saitama Super Arena ~Thank you team ℃-ute~

℃-ute 2010 Spring ~Shocking LIVE~

℃-ute 2012~2013 Winter ~Shinseinaru Pentagram~

℃-ute 2010 Summer-Autumn ~Dance Special!! 'Chou Uranaito!!'~

℃-ute 2011 Spring 'Chou! Chou Wonderful Tour'

℃-ute 2012 Spring-Summer ~Utsukushikutte Gomen ne~

℃-ute 2013 Autumn"Queen of J-POP ~Tadoritsuita Onna Senshi~" in Budokan

℃-ute 2015 Spring 9→10 Shuunen Kinen ~The Future Departure~

℃-ute 2014 Spring ~℃-ute no Honne~

℃-ute 2014 Autumn ~Monster~

℃-ute 2015 Autumn Cutie Circuit ~9gatsu 10ka wa ℃-ute no Hi~

℃-ute 2015 Autumn ~℃an't STOP!!~

℃-ute 2013 Spring ~Treasure Box~

℃-ute 2014 Autumn (910) no Hi Special Concert ~Thank you BeriKyuu!~ in Nippon Budokan

Hello! Project DVD Magazine Vol.2

Hello! Project DVD Magazine Vol.1

Hello! Project DVD Magazine Vol.3

Hello! Project DVD Magazine Vol.6

Hello! Project DVD Magazine Vol.4

Hello! Project DVD Magazine Vol.12

Hello! Project DVD Magazine Vol.8

Hello! Project DVD Magazine Vol.10

Hello! Project DVD Magazine Vol.11

Hello! Project DVD Magazine Vol.7

Hello! Project DVD Magazine Vol.14

Hello! Project DVD Magazine Vol.15

Hello! Project DVD Magazine Vol.16

Hello! Project DVD Magazine Vol.23

Hello! Project DVD Magazine Vol.19

Hello! Project DVD Magazine Vol.20

Hello! Project DVD Magazine Vol.21

Hello! Project DVD Magazine Vol.18

Hello! Project DVD Magazine Vol.22

Hello! Project DVD Magazine Vol.28

Hello! Project DVD Magazine Vol.30

Hello! Project DVD Magazine Vol.24

Hello! Project DVD Magazine Vol.25

Hello! Project DVD Magazine Vol.27

Hello! Project DVD Magazine Vol.26

Hello! Project DVD Magazine Vol.31

Hello! Project DVD Magazine Vol.35

Hello! Project DVD Magazine Vol.32

Hello! Project DVD Magazine Vol.33

Hello! Project DVD Magazine Vol.34

Hello! Project DVD Magazine Vol.36

Hello! Project 2006 Winter ~Zeninshuu GO!~

Hello! Project Sports Festival 2004

Hello! Project 2006 Winter ~Wonderful Hearts~

Hello! Project DVD Magazine Vol.37

Hello! Project DVD Magazine Vol.38

Hello! Project DVD Magazine Vol.42

Hello! Project DVD Magazine Vol.39

Hello! Project DVD Magazine Vol.43

Hello! Project DVD Magazine Vol.40

Hello! Project DVD Magazine Vol.41

Hello! Project DVD Magazine Vol.44

Hello! Project DVD Magazine Vol.49

Hello! Project DVD Magazine Vol.47

Hello! Project DVD Magazine Vol.46

Hello! Project DVD Magazine Vol.45

Hello! Project DVD Magazine Vol.50

Hello! Project DVD Magazine Vol.51

Petit Best 9

Petit Best 8

Petit Best 12

Petit Best 10

Petit Best 11

Petit Best 13

Petit Best 14

Petit Best 15

Petit Best 17

Petit Best 18

Petit Best 16

Petit Best 20 2020

Petit Best 7

Yaguchi Mari to iku! ℃-ute chotto 1-kyoku kiite kudasai! Vol.2

S/mileage 2014 Summer LIVE FULL CHARGE ~715 Nippon Budokan~

℃-ute 2006 Cutie Circuit Final in YOMIURI LAND EAST LIVE ~9gatsu 10ka wa ℃-ute no Hi~

℃-ute Cutie Circuit ~First Trip to Taipei~

℃-ute 2009 Cutie Circuit ~9gatsu 10ka wa ℃-ute no Hi~

℃-ute 2007 Spring ~Golden Hatsu Date~

℃-ute 2012 Cutie Circuit ~9gatsu 10ka wa ℃-ute no Hi~

Hello! Project Sports Festival 2006 Solo Okai Chisato

いきなりマリッジ

Nikenme Dou Suru? ~Tsumami no Hanashi~

Utaban

Hello Pro! TIME

Yorosen!

Bijo Gaku

P-sma

HEY!HEY!HEY! MUSIC CHAMP

Ustream Musume

MUSIC JAPAN

Suugaku ♥ Joshi Gakuen