Wonyoung won first place and made her official debut with IZ*ONE at the age of 14, during her birthday.

IZ*ONE disbanded on Apr 29, 2021 as part of their contract and all the members returned to their respective agencies.

After IZ*ONE's disbandment. Several months later, on November 4, 2021, the agency revealed Wonyoung would be a member of the new girl group IVE. She made her debut with IVE on December 1, 2021 at the age of 17.