Lee Sieun Facts
- Participated in the program Kpop Star5, placing third, her tutor in the competition was Yoo Hee Yeol.
- She was the first artist to sign with HF Music Company.
Lee Sieun Collaborations
- COMET – 지나갈 얘기 (ft. Lee Si Eun) (2020).
- J.BASS – Regularly (ft. Lee Si Eun) (2016)
Lee Sieun Radio Programs
- (KBS) Sukira Kissa The Radio (02.03.2017)
- (Arirang Radio) K-Poppin’ (03/13/2017)
Lee Sieun TV Programs
- (SBS) Kpop Star5 (2016)
Lee Sieun TV Drama’s
- I Can’t Believe It subject for Selection: The War Between Women (2019-2020)
- Error subject for My Absolute Boyfriend (2019)
- Here I Am theme for Hold Me Tight (2018)
- You Did That To Me That Day theme for Just Between Lovers (2018)
- I Do Not Want to Believe subject for Woman of Dignity (2017)