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Entertainment • K-pop

Kim Sejeong

Kim Sejeong is a South Korean singer and actress best known for her work as a former member of the project group I.O.I and the girl group gugudan.

By Ethan Anderson| Reviewed by Olivia Bennett, Standards & Fact-Checking Lead| Updated September 11, 2026|2 min read| Fact-checked

Kim Sejeong is a South Korean singer and actress. She first gained recognition as a member of I.O.I and later gugudan. She has since pursued a solo music career and taken on leading roles in television dramas.

Early life and education

Kim Sejeong was born in Gimje, South Korea, on August 28, 1996. She studied practical music at Hanyang Women's University.

Music career

She gained public attention after placing second on Mnet's Produce 101 and joining I.O.I. She later was a member of gugudan and its sub-unit gugudan SeMiNa. She made her solo debut in 2016 with the digital single 'Flower Way'.

Acting career

Kim Sejeong expanded into acting with television roles after her music debut. Her credits include lead roles in I Wanna Hear Your Song, The Uncanny Counter, and Business Proposal.

Public image and recognition

Kim Sejeong is often described as a multi-entertainer because she works as both a singer and actress. Her transition from idol competitions to acting made her one of the more visible crossover figures in South Korean entertainment.

Key facts

  • She gained public attention after placing second on Mnet's Produce 101 and joining I.O.I.
  • She was later a member of gugudan and its sub-unit gugudan SeMiNa.
  • She made her solo debut in 2016 with the digital single 'Flower Way'.
  • Her acting roles include lead parts in I Wanna Hear Your Song, The Uncanny Counter, and Business Proposal.
  • She studied practical music at Hanyang Women's University.
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Canadian context

Kim Sejeong is relevant to Canadian readers through the global reach of K-pop and Korean television, both of which have sizable audiences in Canada. Her music and dramas are part of the broader Korean entertainment wave that is widely consumed in Canadian streaming and fan communities.

Frequently asked questions

Who is Kim Sejeong?
Kim Sejeong is a South Korean singer and actress known for I.O.I, gugudan, solo music, and television acting roles.
When was Kim Sejeong born?
She was born on August 28, 1996.
What groups was Kim Sejeong in?
She was in I.O.I, gugudan, and gugudan SeMiNa.
What was Kim Sejeong's solo debut?
Her solo debut was the digital single 'Flower Way' in 2016.
What dramas is Kim Sejeong known for?
She is known for roles in I Wanna Hear Your Song, The Uncanny Counter, Today's Webtoon, and Business Proposal.

References

  1. IMDb — https://www.imdb.com/name/nm4135839/
    Supports: Birth date, career as singer and actress, former groups, and notable drama roles.
  2. Wikipedia — https://en.wikipedia.org/wiki/Kim_Se-jeong
    Supports: Produce 101 placement and education at Hanyang Women's University.
  3. Kpop Wiki - Fandom — https://kpop.fandom.com/wiki/Kim_Sejeong
    Supports: Agency, former groups, and solo debut with 'Flower Way'.
  4. Famous Birthdays — https://www.famousbirthdays.com/people/kim-sejeong.html
    Supports: Public biographical details and entertainment career overview.
  5. AsianWiki — https://asianwiki.com/Kim_Se-Jeong_(Gugudan)
    Supports: Profile information and acting credits including drama roles.