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Sejeong promoting I'm (2021)

Sejeong (세정) is a South Korean artist under Jellyfish Entertainment. She was a member of the Korean Pop girl group gugudan.


  • Stage Name: Sejeong (세정)
  • Birth Name: Kim Se Jeong (김세정)
  • Birthdate: August 28, 1996 (1996-08-28) (age 27)
  • Blood Type: AB
  • Height: 164cm
  • Weight: 48kg
  • Hobbies: Painting, Watching movies again
  • Specialties: Ballads
  • Groups:


  • Official Fanclub: SeSang (세상; World)
  • She was a trainee for one year prior to her appearance on Produce 101.
  • She placed second with 525,352 votes in the final round of Produce 101.



  • [2023.09.04] Mun (문(門))


  • [2020.03.17] Hwabun (화분; Plant)
  • [2021.03.29] I'm

Digital Singles



Year Title Network Role Notes
RR Hangul
2016 Maeumui Sori 마음의 소리 Naver TV Cast, KBS2 Neighbor in Apt. 205 Cameo
2017 Hakgyo 2017 학교 2017 KBS2 Ra Eunho Lead role
2019 Neoui Noraereul Deullyeojwo 너의 노래를 들려줘 Hong Yiyoung Lead role
2020 Gyeongiroun Somun 경이로운 소문 OCN Do Hana Lead role


Year Title Network Role Notes
RR Hangul
2012 KPOP STAR 2 K팝스타 2 SBS Contestant Eliminated in casting audition round
2016 Produce 101 프로듀스 101 Mnet Contestant Survival show that determined I.O.I members
Finished in 2nd place
Eoseoob SHOW 어서옵SHOW KBS2 Regular Host
Bulhuui Myeonggok 2 불후의 명곡: 전설을 노래하다 Contestant Episode 282
Boom Shakalaka 추석특집 - 붐샤카라카 Contestant
2017 Jeonggeuleui Beopchik Sumatra 정글의 법칙 SBS Cast member
Get It Beauty 겟 잇 뷰티 OnStyle Regular host
Fantastic Duo 판타스틱 듀오 SBS Contestant Episode 33
Mystery Mask Bongmyeongawang 미스터리 음악쇼 복면가왕 MBC Contestant as "Worker Holic Antgirl" Episode 95
Battle Trip 배틀 트립 KBS2 Contestant with Nayoung
Special Host
Episode 40–41
Episode 48–49
Noraessaum - Seungbu 노래싸움 - 승부 Contestant Episode 40–41
Episode 18–19
1 dae 100 1 대 100 Contestant Episode 466
Jumeokjwigo Baetgodong 주먹쥐고뱃고동 SBS Cast member Episode 11–13
2018 Galileo: Kkaeeonan Uju 갈릴레오 : 깨어난 우주 tvN Cast member
2018–21 Beomineun Baro Neo 범인은 바로 너 Netflix Cast member 3 seasons
2019 Mystery Mask Bongmyeongawang 미스터리 음악쇼 복면가왕 MBC Contestant as "Eliza" Episodes 197–198
2020 Bulhuui Myeonggok 2 불후의 명곡: 전설을 노래하다 KBS Contestant Episode 447 & 451
2021 Gyeongiroun Return 경이로운 귀환 OCN Cast member Special episode
On and Off 온앤오프 tvN Cast member Episode 38


Year Title Role Notes
RR Hangul
2020 Gwihwan "Nae Sonyeonsijeol" 귀환 '내 소년시절' Haesung Theatre debut, musical
2021 Red Book 레드북 Anna Lead role, musical


  • [2016] Hite Jinro


  • [2017.10.27] 1st The Seoul Awards: Popular Actress Award (Drama)
  • [2017.12.30] 11th SBS Entertainment Awards: Best Challenge Award – Jeonggeuleui Beopchik Sumatra
  • [2017.12.31] 31st KBS Drama Awards: Best New Actress
  • [2018.07.24] 2018 Brand of the Year Awards: Female Idol-Actor Award
  • [2019.12.17] 18th Korea First Brand Awards: Female Idol-Actor Award
  • [2019.12.31] 33rd KBS Drama Awards: K-Drama Hallyu Star Award – Neoui Noraereul Deullyeojwo
  • [2021.04.27] 2021 Brand Customer Loyalty Awards: Best Female Idol Acting
  • [2022.12.13] 2022 Asia Artist Awards: Best Actor Award
  • [2023.12.14] 2023 Asia Artist Awards: Best Actor Award

TV Music Shows

Kkot Gil

External Links