She is currently also the manager of her own cafe[3] called "Hartogela" in Itaewon, South Korea.

Gayoung initially gained fame as the "Gugak high-school girl" when she appeared on a 2 Days & 1 Night special as a viewer.

[4] Stellar initially debuted with a quirky and cute concept, but as the agency was struggling financially due to multiple unsuccessful album releases, the girl-group later turned to a more provocative concept which received a lot of controversy and backlash.

In August 2017 she did not renew her contract with her then agency, The Entertainment Pascal, and started pursuing roles in acting for herself.

In 2018 she revealed that she has opened a cafe called "Hartogela" in Itaewon and is running it while continuing to pursue her dream of being an actress.