3Bjunior Team Blue Promo
3Bjunior Team Blue
Years Active





TIF 2012


Makoto Shiraishi
Mayu Ogawa
Ayumi Okazaki
Rio Koike
Hino Ogasawara
Momona Natsukawa
Haori Takahashi
Maria Arai
Yu Nakamura
Rena Akatani

3Bjunior Team Blue is a limited girl team represented by Stardust Promotion under Section 3's 3Bjunior to participate in Tokyo Idol Festival 2012 alongside 3Bjunior Team Red.

Group NotesEdit

  • The group only appeared in Tokyo Idol Festival 2012.
  • It's said in the TIF 2012 profile that the group will perform with full power and smile.


The group was announced to perform in the annual idol festival Tokyo Idol Festival 2012 along with other 3Bjunior group on August 4, 2012.


Name Kanji Date of Birth Notes
Makoto Shiraishi 白石真琴 November 20, 1998 (1998-11-20) (age 18) Fujicco Q.Q member
Mayu Ogawa 小川真由 January 31, 1999 (1999-01-31) (age 18) Former Minitia Bears member
Fujicco Q.Q member
Left Stardust in 2014
Ayumi Okazaki 岡崎歩美 August 30, 1995 (1995-08-30) (age 21) Former mignon member
Rio Koike 小池梨緒 January 18, 1998 (1998-01-18) (age 19) Former Minitia Bears member
Former Ebichu member
Currently in Ito Wokashi
Hino Ogasawara 小笠原妃乃 February 12, 2000 (2000-02-12) (age 17) Left Stardust in 2013
Momona Natsukawa 夏川桃菜 July 20, 1998 (1998-07-20) (age 19) Former Piecees member
Left Stardust in 2013
Haori Takahashi 高橋春織 February 5, 1997 (1997-02-05) (age 20) Former Me Star member
Maria Arai 新井まりあ July 21, 2000 (2000-07-21) (age 17) Become a member of Takoyaki Rainbow
Left Stardust in 2012
Yu Nakamura 中村優 September 15, 1999 (1999-09-15) (age 17) Currently in 3Bjunior (new project)
Rena Akatani 赤谷玲菜 October 18, 1999 (1999-10-18) (age 17) Become a member of KAGAJO 4S

Song PerformedEdit


  • Except for Hino Ogasawara, the members in team blue had been participated in 3Bjunior idol groups in the past or later on.



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