"Promise now, cherish it preciously. We will grow into your idols! Hello, I'm Chaeyoung! Lee Chaeyoung (이채영) is the Main Dancer, Lead Rapper, and Vocalist of the girl group Fromis_9 under Off The Record Entertainment. In 2017, she appeared and competed in the show "Idol School" where she ranked 4th with 65,318 votes, earning a spot in the group Fromis_9.