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This page consists of basic information about members of the former J-pop group Kobushi Factory.

All members joined the group on January 2, 2015 and they were part of Hello Pro Kenshuusei.

List of Members[]

Members at Time of Disbandment[]

Name Birthdate Home
Prefecture
Blood
Type
Date Joined Date Graduated Member Color Notes
HiroseAyaka-January2020.jpg
 Hirose Ayaka 
(広瀬彩海)
August 4, 1999
(age 21)
Kanagawa O January 2, 2015 March 30, 2020 Turquoise Colorball.png
Turquoise
Leader
Former NICE GIRL Project! Kenshuusei member (2011-2014)
NomuraMinami-January2020.jpg
 Nomura Minami 
(野村みな美)
February 10, 2000
(age 21)
Tokyo B RoyalBlue Colorball.png
Royal Blue
HamauraAyano-April2021.jpg
 Hamaura Ayano 
(浜浦彩乃)
April 26, 2000
(age 21)
Saitama AB Pink Colorball.png
Pink
WadaSakurako-January2020.jpg
 Wada Sakurako 
(和田桜子)
March 8, 2001
(age 20)
Aichi B Green Colorball.png
Green
InoueRei-Ganbarenaiyo.jpg
 Inoue Rei 
(井上玲音)
July 17, 2001
(age 20)
Tokyo O Purple Colorball.png
Purple
Former NICE GIRL Project! Kenshuusei member (2013-2014),
Current member of Juice=Juice (2020-present),

Former Members[]

Name Birthdate Home
Prefecture
Blood
Type
Date Joined Date Left / Graduated Member Color Notes
Fujiirio2017may.jpg
 Fujii Rio 
(藤井梨央)
March 4, 1999
(age 22)
Aichi B January 2, 2015 July 6, 2017 GoldenYellow Colorball.png
Mustard
Sub-leader
(2015-2017)
Ogawarena2017may.jpg
 Ogawa Rena 
(小川麗奈)
March 27, 2000
(age 21)
Tochigi A September 6, 2017 Red Colorball.png
Red
Taguchinatsumi2017may.jpg
 Taguchi Natsumi 
(田口夏実)
July 21, 2000
(age 21)
Saitama A December 6, 2017 Orange Colorball.png
Orange

Leadership[]

Leader Period of time Sub-Leader Period of time
Hirose Ayaka March 8, 2015 – March 30, 2020 Fujii Rio March 8, 2015 – July 6, 2017
None July 7, 2017 - March 30, 2020

Members Colors[]

Each Kobushi Factory member had their own color for outfits and merchandise to distinguish between each member.

Color Owner
Red Colorball.png Red Ogawa Rena (2015-2017)
Orange Colorball.png Orange Taguchi Natsumi (2015-2017)
GoldenYellow Colorball.png Mustard Fujii Rio (2015-2017)
Green Colorball.png Green Wada Sakurako (2015-2020)
Turquoise Colorball.png Turquoise Hirose Ayaka (2015-2020)
RoyalBlue Colorball.png Royal Blue Nomura Minami (2015-2020)
Purple Colorball.png Purple Inoue Rei (2015-2020)
Pink Colorball.png Pink Hamaura Ayano (2015-2020)

Tenures[]

Member Tenure Time in group
Hirose Ayaka January 2, 2015 - March 30, 2020 5 Years, 2 Months, 28 Days
Nomura Minami
Hamaura Ayano
Wada Sakurako
Inoue Rei
Taguchi Natsumi January 2, 2015 - December 6, 2017 2 Years, 11 Months, and 4 Days
Ogawa Rena January 2, 2015 - September 6, 2017 2 Years, 8 Months, and 4 Days
Fujii Rio January 2, 2015 - July 6, 2017 2 Years, 6 Months, and 4 Days

Members Single Count[]

Member Debut Single Last Single Single Count
Hirose Ayaka Nen ni wa Nen / Survivor Seishun no Hana / Start Line 9 Singles
Nomura Minami
Hamaura Ayano
Wada Sakurako
Inoue Rei
Fujii Rio Shalala! Yareru Hazu sa / Ee ja nai ka Ninja nai ka 5 Singles
Ogawa Rena
Taguchi Natsumi

Members Line-Ups[]

Date Member(s) Total Members Age Average Singles Released with Line-up
January 2, 2015
(Formation)
Group formation. Founding members include Fujii Rio, Hirose Ayaka, Nomura Minami, Ogawa Rena, Hamaura Ayano, Taguchi Natsumi, Wada Sakurako, and Inoue Rei. 8 14.75-17.17 Nen ni wa Nen / Survivor, Dosukoi! Kenkyo ni Daitan / Ramen Daisuki Koizumi-san no Uta / Nen ni wa Nen (Nen'iri Ver.), Sakura Night Fever / Chotto Guchoku ni! Chototsumoushin / Osu! Kobushi Tamashii, Samba! Kobushi Janeiro / Bacchikoi Seishun! / Ora wa Ninkimono, Shalala! Yareru Hazu sa / Ee ja nai ka Ninja nai ka
July 6, 2017 Fujii Rio leaves. 7 17.01-17.18 None
September 6, 2017 Ogawa Rena graduates. 6 17.13-17.38 None
December 6, 2017 Taguchi Natsumi leaves. 5 17.38-19.66 Kore Kara da! / Ashita Tenki ni Naare, Kitto Watashi wa / Naseba Naru, Oh No Ounou / Haru Urara, Seishun no Hana / Start Line

Trivia[]

  • Kobushi Factory was the first Hello! Project group to consist only of members from Hello Pro Kenshuusei.
  • All the members were born between 1999 and 2001, making this the first group to have all members born after Hello! Project's formation.
  • Kobushi Factory had only 2 years and 4 month gap between the oldest and youngest member.

See Also[]