Ryu Youngchae

On January 28, 2019, Ryu Youngchae made her debut in the kids girl group CoCo under Fancy Factory with the release of their debut digital single "Talk Talk". On December 5, 2020, CoCo released a profile for Youngchae. On June 29, 2021, CoCo announced that their contracts with all the current lineup members were terminated and that they have revamped their SNS accounts to include the 'Coco Mademoiselle' dance team, some of whom will become official members of the next generation of CoCo, hence Youngchae was no longer a member of CoCo, but remained a member of 'Coco Mademoiselle'.

In October 2021, Youngchae appear as a contestant on the competitive reality show, Kookmin Singer. She was eventually eliminated from the competition. Following her appearance on the show, she joined n.