|3Bjunior Team Blue|
- 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||Fujicco Q.Q member|
|Mayu Ogawa||小川真由||January 31, 1999||Former Minitia Bears member|
Fujicco Q.Q member
Left Stardust in 2014
|Ayumi Okazaki||岡崎歩美||August 30, 1995||Former mignon member|
|Rio Koike||小池梨緒||January 18, 1998||Former Minitia Bears member|
Former Ebichu member
Currently in Ito Wokashi
|Hino Ogasawara||小笠原妃乃||February 12, 2000||Left Stardust in 2013|
|Momona Natsukawa||夏川桃菜||July 20, 1998||Former Piecees member|
Left Stardust in 2013
|Haori Takahashi||高橋春織||February 5, 1997||Former Me Star member|
|Maria Arai||新井まりあ||July 21, 2000||Become a member of Takoyaki Rainbow|
Left Stardust in 2012
|Yu Nakamura||中村優||September 15, 1999||Currently in 3Bjunior (new project)|
|Rena Akatani||赤谷玲菜||October 18, 1999||Become a member of KAGAJO 4S|
- Except for Hino Ogasawara, the members in team blue had been participated in 3Bjunior idol groups in the past or later on.