CoCoRo Gakuen (CoCoRo学園; CoCoRo Academy), formerly known simply as CoCoRo and currently known as CoCoRo Gakuen 15th (CoCoRo学園15th) is a Japanese pop local idol group based in Gunma.
As of 2020, CoCoRo Gakuen 15th currently consists of two separate vocal and dance units: Mulcul♡, which consists of 4 members, and Inter♡, which consists of 1 member.
- Hazuki Nana (葉月なな)
- Yazaki Yuu (矢崎ゆう)
- Aoi Hina (葵ひな)
- Suzuki Asu (鈴木あす)
- Hoshikawa Juri (星川じゅり)
- 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)
- Rii (りい)
- Saki (さき)
- Message~Kokoro Kara Arigatou~
- Hey! Tattaratta
- Get your LOVE
- Kimi no Hitomi ni Koishiteru! XOXO
- They have three sister groups: CoCoRo Gakuen BJ Heart (CoCoRo学園BJハート) which was formed in November 2013, CoCoRoGaKuEn Odills which was formed in 2016, and CoCoRoGaKuEn Silk Heart (CoCoRoGaKuEn Silkハート) which was formed in 2017.
- Current members Hazuki Nana and Yazaki Yuu are both 10 years old, Aoi Hina is 9 years old, Suzuki Asu is 8 years old, while Hoshikawa Juri is 18 years old.