- Birthday: Sep 29, 1999
- Blood type: A
- Height: 163cm
- Hobby: Watching movie
- Talent: Playing claw machine, Playing a game
As a child, Yena was diagnosed with lymphoma, even in the hospital they let them give up, due to financial difficulties in paying for treatment costs her parents sold Gimbap  on the streets every morning. 
Her older brother is Sungmin, a former member of SPEED at the time. His group wasn't going well, which is why their parents were reluctant to let their daughter become an idol.
On May 11, 2018, Yena was announced as a contestant on Produce 48, as a trainees under Yuehua Entertainment. She was apart of a performance team named 1AM along with Lee Gaeun , An Yujin, Heo Yunjin and Takahashi Juri. On August 30, she finished the competition in 4th place with 285,385 votes, debuting as a member of the project group, IZ*ONE.
- Produce 48 (2018)