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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.”

Uh, But Like, Seriously!
as Self

Moon River
as Park Dal-yi

Table Tales

Yoobari Talkbari
as Self

Brewing Love
as Chae Yong-ju

Universe Ticket
as Unicorn

MONSTOP Travel Agency
as self (KIM SEJEONG)

The Seasons
as Self

Office Romance Recipe
as Rani

SEOUL FESTA 2022 K-POP SUPER LIVE
as MC

Today's Webtoon
as Oh Ma-Eum

Business Proposal
as Shin Ha-ri
Lee Mujin Service
as Guest

I.5.I - Yes, I Love It!
as Sejeong

Hurrah for Independence
as Self

The Uncanny Return

The Uncanny Counter
as Do Ha-na

IU's Palette
as Self - Guest

Clean Cam

I Wanna Hear Your Song
as Hong Yi-Young

Where Is My Home

Prison Life of Fools
as Self

Big Picture Family

Galileo: Awakened Universe

Idol Room
as Self

Busted!
as Kim Se-jeong

Amazing Saturday
as Self

마이박스

Baek Jong-won's Alley Restaurant
as Self

Salty Tour
as Self (Sejeong)

Master Key

School 2017
as Ra Eun-Ho

I.O.I - "Time Slip" Concert
as Sejeong

Gugudan Project: Extreme School Trip
as Herself

The Sound of Your Heart
as Woman next door in Room 205

Let's Eat Dinner Together
as Self

What Are Gugudan Doing?
as Kim Se-jeong

어서옵SHOW

Standby I.O.I
as Self

Sister's Slam Dunk
as Self

Produce 101
as Self - Contestant

Men on a Mission
as Self

Two Yoo Project - Sugar Man
as Self

After School Club
as Self

Home Alone
as Self

K-pop Star
as Self - Contestant

SNL Korea
as Self

Law of the Jungle

Running Man

You Hee-yeol's Sketchbook
as Self

MBC Entertainment Awards
as Self - MC
High School Queen
as Kim Cheong-ha / Park Da-jin