
1996Born, Gimje
15Credits
Kim Se-jeong is a South Korean singer and actress. She finished second in Mnet's girl group survival show Produce 101, becoming a member of the project girl group I.O.I. She was also a member of Jellyfish Entertainment's girl group Gugudan. She is currently active as a solo artist and actress, best known for her lead roles in the television series School 2017 (2017), The Uncanny Counter (2020–2023), Business Proposal (2022), and Brewing Love (2024).
Known for
Crash Landing on YouVocals
Business ProposalShin Ha-ri
The Uncanny CounterDo Ha-na
Record of YouthTheme Song Performance
The Legend of the Blue SeaTheme Song Performance2025Moon RiverPark Dal-yi · 14 episodesShow
2024Brewing LoveChae Yong-ju · 12 episodes · Theme Song Performance · 12 episodesShow
2022Office Romance RecipeRani · 4 episodesShow
2022SEOUL FESTA 2022 K-POP SUPER LIVEMCMovie
2022Today's WebtoonOh Ma-eum · 16 episodesShow
2020The Uncanny CounterDo Ha-na · 28 episodes · Theme Song Performance · 28 episodesShow
2020Record of YouthTheme Song Performance · 16 episodesShow
2019Crash Landing on YouVocals · 16 episodesShow
2019I Wanna Hear Your SongHong Yi-young · 32 episodesShow
2018Mr. SunshineTheme Song Performance · 24 episodesShow
2018Busted!Kim Se-jeong · 28 episodesShow
2017School 2017Ra Eun-ho · 16 episodesShow
2016The Legend of the Blue SeaTheme Song Performance · 20 episodesShow
2016The Sound of Your HeartWoman next door in Room 205 · 1 episodeShow
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