On July 18, 2014, Eunbi (then under the stage name Kazoo), debuted as a member of the girl group Ye-A with their first digital single "National Treasure".
In October 2014, Kiroy Company's CEO revealed the group's new lineup, which no longer included Eunbi.
2018: Produce 48, debut with IZ*ONE
On May 11, 2018, she was revealed as a contestant on Produce 48, where she would be representing Woollim Entertainment. She ranked 7th overall, thus becoming a member of IZ*ONE. The group officially debuted on October 29 with their first mini-album Color*IZ.