
Sejeong
Gugudan · 김세정
Photo: K-POPIT 케이팝잇 · CC BY 3.0 · Wikimedia Commons ↗
- Birthday
- Aug 28, 1996
- Group
- Gugudan
- Debut
- 2016
- Agency
- Jellyfish
0 cheer points
You can cheer each member once a day, even without signing in (once per device). A team's score is the sum of its members' scores.
How cheer points add up
- Cheer without signing in+1
- Cheer while signed in+3
- Cheer a member in your favourites+5
- Add to favourites (first time)+10
- Suggest a new fancam link+10
- Suggest a broadcaster's official fancam+20
- Team cheer (to every member, 3 each signed in)+1
- Each right answer in a team quiz (perfect +2, split among members)+1
Profile
Sejeong is one of the members of Gugudan. Born on Aug 28, 1996 in Gimje. Before this, they were part of I.O.I (2016–2017), Gugudan SeMiNa (2018–2020). They were with Gugudan from 2016 to 2020. Gugudan debuted in 2016, so this is year 10 for the group. Most recently, fans got the EP "ACT.5 New Action" on Nov 6, 2018.
- Birthplace
- Gimje
- Teams
- I.O.I 2016–2017 · Gugudan 2016–2020 · Gugudan SeMiNa 2018–2020
This profile uses only details on which Wikidata and Wikipedia agree, or that an agency's official profile confirms. Tell us if something is wrong.
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).
Photos
♪ Listen
Gugudan's releases, newest first. Tap Listen to see official services, marked free, subscription or buy.
- EP2018-11-06
- Single2018-02-01
- Single2017-11-08
- EP2017-02-27
- EP2016-06-28
All links go to official services. Spotify works with a free account (with ads). Availability differs by country: on Korean pages we hide services that may not work in Korea (such as Deezer), and YouTube Music has no free plan in Korea.
Fancams
No fancams here yet.
Videos from official broadcaster channels, shown in the YouTube player.
Fancams suggested by fans
Share a fancam link and Kpopdeck will check its title and channel on YouTube before adding it here.
No suggested fancams yet.
Suggest a fancam
Only videos from official broadcaster channels or fancams you filmed yourself. The title must include the group, the member and the word fancam. Re-uploads of broadcasts are not accepted.
News
Quick links
Birthdays and official accounts are included only when three separate sources agree. Checked on Nov 16, 2026. Tell us if something is wrong.




.jpg?width=400)
.jpg?width=400)