Gumnabi

On December 1, 2021, Gumnabi made her debut with the self-produced digital single, "Gumnabi 1st Single - EMPTY SKY WALTZ". The song was produced by her as a student of (DIMA) in the college's recording studio. Later that month, she was featured as a guest singer in fellow DIMA student Sara K's debut digital single, "On My Way", released on December 15.

Sometime in late 2022, she became a member of DIMA's student-formed nine-member project girl group ONEST. The girl group made their debut on January 27, 2023 with the release of the digital single "Wisp", which was produced by member Yu1L.