List:Ichioka Reina Concert & Event Appearances

Hello! Project

 * Hello! Project 2017 SUMMER
 * Hello! Project 20th Anniversary!! Hello! Project COUNTDOWN PARTY 2017 ~GOOD BYE & HELLO!~
 * Hello! Project 20th Anniversary!! Hello! Project 2018 WINTER
 * Hello! Project 20th Anniversary!! Hello! Project Hina Fes 2018

Hello Pro Kenshuusei

 * Hello Pro Kenshuusei Happyoukai 2012 ~12gatsu no Nama Tamago Show!~ (introduced)
 * Hello Pro Kenshuusei Happyoukai 2013 ~3gatsu no Nama Tamago Show!~
 * Hello Pro Kenshuusei Happyoukai 2013 ~Haru no Koukai Jitsuryoku Shindan Test~
 * Hello Pro Kenshuusei Happyoukai 2013 ~6gatsu no Nama Tamago Show!~
 * Hello Pro Kenshuusei Happyoukai 2013 ~9gatsu no Nama Tamago Show!~
 * Hello Pro Kenshuusei Happyoukai 2013 ~12gatsu no Nama Tamago Show!~
 * Hello Pro Kenshuusei Happyoukai 2014 ~2gatsu・3gatsu no Nama Tamago Show!~
 * Hello Pro Kenshuusei Happyoukai 2014 ~Haru no Koukai Jitsuryoku Shindan Test~
 * Hello Pro Kenshuusei Happyoukai 2014 ~6gatsu no Nama Tamago Show!~
 * Hello Pro Kenshuusei Happyoukai 2014 ~9gatsu no Nama Tamago Show!~
 * Hello Pro Kenshuusei Happyoukai 2014 ~11gatsu・12gatsu no Nama Tamago Show!~
 * Hello Pro Kenshuusei Happyoukai 2015 ~3gatsu no Nama Tamago Show!~
 * Hello Pro Kenshuusei Happyoukai 2015 ~Haru no Koukai Jitsuryoku Shindan Test~
 * Hello Pro Kenshuusei Happyoukai 2015 ~6gatsu no Nama Tamago Show!~
 * Hello Pro Kenshuusei Happyoukai 2015 ~9gatsu no Nama Tamago Show!~
 * Hello Pro Kenshuusei Happyoukai 2015 ~11gatsu・12gatsu no Nama Tamago Show!~
 * Hello! Project Kenshuusei Happyoukai 2016 2gatsu・3gatsu ~SINGING!~
 * Hello! Project Kenshuusei Happyoukai 2016 ~Haru no Koukai Jitsuryoku Shindan Test~
 * Hello! Project Kenshuusei Happyoukai 2016 6gatsu ~EXCITING!~
 * Hello! Project Kenshuusei Happyoukai 2016 9gatsu ~SINGING!~
 * Hello! Project Kenshuusei Happyoukai 2016 12gatsu ~EXCITING!~
 * Hello! Project Kenshuusei Happyoukai 2017 3gatsu ~Marching!~
 * Hello! Project Kenshuusei Happyoukai 2017 ~Haru no Koukai Jitsuryoku Shindan Test~
 * Hello! Project Kenshuusei Happyoukai 2017 9gatsu ~Go NEXT!~
 * Hello! Project Kenshuusei Happyoukai 2017 12gatsu ~Conti→New!~
 * Hello! Project Kenshuusei Happyoukai 2018 3gatsu ~Sakura~
 * Hello! Project Kenshuusei Happyoukai 2018 ~Haru no Koukai Jitsuryoku Shindan Test~
 * Hello! Project Kenshuusei Happyoukai 2018 6gatsu ~Niji~

Morning Musume

 * Morning Musume Concert Tour 2013 Aki ~CHANCE!~ (opening act)
 * Morning Musume '15 Concert Tour Aki ~PRISM~ (opening act)

Berryz Koubou

 * Berryz Koubou Debut 10th Anniversary Concert Tour 2014 ~Real Berryz Koubou~ (back-up dancer)

℃-ute

 * ℃-ute Concert Tour 2014 Aki ~Monster~ (back-up dancer)
 * ℃-ute Concert Tour 2016 Haru ~℃ONCERTO~ (opening act)
 * ℃-ute 12 Nenme Totsunyuu Kinen ~℃-Fes! Part 1 9gatsu 5ka mo ℃-ute no Hi at Nippon Budokan~ (opening act)
 * ℃-ute Concert Tour 2016 Aki ~℃OMPASS~ (opening act)
 * ℃-ute Shinshun Concert 2017 ~℃OMPASS~ (opening act)

S/mileage

 * S/mileage LIVE 2014 Natsu FULL CHARGE ~715 Nippon Budokan~ (back-up dancer)

SATOYAMA & SATOUMI movement

 * Forest For Rest ~SATOYAMA e Ikou~ SATOYAMA movement in YOKOHAMA
 * Forest For Rest SATOYAMA & SATOUMI e Ikou 2014
 * Asobu. Kurasu. Sodateru. SATOYAMA & SATOUMI e Ikou 2015
 * Asobu. Kurasu. Sodateru. SATOYAMA & SATOUMI e Ikou 2016
 * Asobu. Fureau. Taiken Suru. SATOYAMA & SATOUMI Aki Camp IN Isumi
 * Asobu. Kurasu. Sodateru. SATOYAMA & SATOUMI e Ikou 2017
 * Asobu. Kurasu. Sodateru. SATOYAMA & SATOUMI e Ikou 2018