Sejeong (세정) is a South Korean singer-songwriter and actress signed under Jellyfish Entertainment. After coming into prominence as the runner-up on the hit idol competition show “Produce 101,” she debuted in 2016 as a solo artist and member of now-disbanded girl groups I.O.I and Gugudan. In 2017, she was cast in her first leading drama role in KBS’s “School 2017.”
SEOUL FESTA 2022 K-POP SUPER LIVE
(MC)
I.O.I - "Time Slip" Concert
(Sejeong)
I.5.I - Yes, I Love It!
(Sejeong)
Hurrah for Independence
(Self)
The Uncanny Return
Law of the Jungle
Today's Webtoon
(Oh Ma-Eum)
Business Proposal
(Shin Ha-ri)
The Sound of Your Heart
(Woman next door in Room 205)
Universe Ticket
(Unicorn)
어서옵SHOW
The Seasons
(Self)
MONSTOP Travel Agency
(self (KIM SEJEONG))
IU's Palette
(Self - Guest)
School 2017
(Ra Eun-Ho)
Men on a Mission
(Self)
Master Key
Busted!
(Kim Se-jeong)
Galileo: Awakened Universe
Clean Cam
마이박스
Produce 101
(Herself)
Lee Mujin Service
(Guest)
Prison Life of Fools
(Herself)
Standby I.O.I
(Kim Se-jeong)
Baek Jong-won's Alley Restaurant
(Self)
Dining Together
(Herself)
I Wanna Hear Your Song
(Hong Yi-Young)
You Hee-yeol's Sketchbook
(Self)
Salty Tour
(Self (Sejeong))
Amazing Saturday
(Self)
SNL Korea
(Self)
Where Is My Home
Idol Room
(Herself)
Running Man
K-pop Star
(Self - Contestant)
Office Romance Recipe
(Rani)
What Are Gugudan Doing?
(Kim Se-jeong)
Brewing Love
(Chae Yong-ju)
MBC Entertainment Awards
(Self - MC)
Home Alone
(Self)
Two Yoo Project - Sugar Man
(Herself)
The Uncanny Counter
(Do Ha-na)
Gugudan Project: Extreme School Trip
(Herself)