On July 18, 2014, Eunbi, under the stage name Kazoo, debuted as a member of the girl group Ye-A, where she was the lead vocal and main dancer. On October 2014, their CEO updated the line-up, adding new members, and she was not a part of the group anymore.
2018: Produce 48 and IZ*ONE
On May 11, 2018, she was revealed to be a contestant on Produce 48 as a trainee representing Woollim Entertainment. She finished the competition in 7th place, thus becoming a member of IZ*ONE. The group officially debuted on October 29, 2018 with the mini-album Color*IZ and its title track, "La Vie En Rose".