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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.

Former Members[]

Name Born Origin Blood
Type
Join
Date
Departure
Date
Member
Color
Notes
(広瀬彩海)
August 4, 1999
(age 22)
Kanagawa O January 2, 2015 March 30, 2020 Turquoise Penlight.png
Turquoise
Leader
Former NICE GIRL Project! Kenshuusei member (2011-2014)
(野村みな美)
February 10, 2000
(age 22)
Tokyo B RoyalBlue Penlight.png
Royal Blue
(浜浦彩乃)
April 26, 2000
(age 22)
Saitama AB Pink Penlight.png
Pink
(和田桜子)
March 8, 2001
(age 21)
Aichi B Green Penlight.png
Green
(井上玲音)
July 17, 2001
(age 20)
Tokyo O Purple Penlight.png
Purple
Former NICE GIRL Project! Kenshuusei member (2013-2014),
Current member of Juice=Juice (2020-present),
(藤井梨央)
March 4, 1999
(age 23)
Aichi B January 2, 2015 July 6, 2017 GoldenYellow Penlight.png
Mustard
Sub-leader
(2015-2017)
(小川麗奈)
March 27, 2000
(age 22)
Tochigi A September 6, 2017 Red Penlight.png
Red
(田口夏実)
July 21, 2000
(age 21)
Saitama A December 6, 2017 Orange Penlight.png
Orange

Leadership[]

Leader Period of Time Tenure Sub-Leader Period of Time
Hirose Ayaka March 8, 2015 – March 30, 2020 5 Years, 0 Months, 22 Days Fujii Rio March 8, 2015 – July 6, 2017
None July 7, 2017 - March 30, 2020

Member Colors[]

Each Kobushi Factory member has their own color for outfits and merchandise to distinguish between each member. On June 3, 2015, on Hello! Project Station, the founding members of Kobushi Factory and Tsubaki Factory received t-shirts revealing their official member colors. Across the two groups, their member colors were distinct, with Kobushi Factory being assigned darker colors, and Tsubaki Factory being assigned lighter colors. Upon Kobushi Factory's disbandment in 2020 and the addition of the four new Tsubaki Factory members in 2021, the colors are no longer kept distinct between the two groups.

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

Tenures[]

Name Join Date Departure Date Tenure
Hirose Ayaka, Nomura Minami, Hamaura Ayano, Wada Sakurako, and Inoue Rei January 2, 2015 March 30, 2020 5 Years, 2 Months, 28 Days
Taguchi Natsumi January 2, 2015 December 6, 2017 2 Years, 11 Months, 4 Days
Ogawa Rena January 2, 2015 September 6, 2017 2 Years, 8 Months, 4 Days
Fujii Rio January 2, 2015 July 6, 2017 2 Years, 6 Months, 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.
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