|CoCoRo Gakuen 15th, 2019|
|Associated Acts||Country Girls, Morning Musume|
|Current Members||Rii (2019-)|
|Former Members||Ayaha (-2014)|
CoCoRo Gakuen (CoCoRo学園; CoCoRo Academy), currently known as CoCoRo Gakuen 15th (CoCoRo学園15th) is a Japanese pop local idol group based in Gunma.
- Rii (りい)
- Nana (なな)
- Saki (さき)
- Ayaha (あやは; Red) (graduated September 28, 2014)
- Chii (ちぃ; Orange) (graduated November 1, 2014)
- Shiho (しほ; Purple) (graduated December 7, 2014)
- Kurumi (くるみ; Yellow) (graduated November 29, 2015)
- Chako (ちゃこ; Blue)
- Yui (ゆい; Green)
- Yuu (ゆう)
- Message~Kokoro Kara Arigatou~
- Hey! Tattaratta
- Get your LOVE
- Kimi no Hitomi ni Koishiteru! XOXO
- They have three sister groups: BJ Heart which was formed in November 2013, Odills which was formed in 2016, and Silk Heart which was formed in 2017.
- Current members Rii and Nana are both 9 years old, while Saki is 5 years old.
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