Sejeong/ Kim Sejeong (ex. gugudan)

Kim Se-jeong (김세정) is a South Korean Singer and Actress under Jellyfish Entertainment. Sejeong was the main vocalist and face of the girl group Gugudan and represents the number 3.

Sejeong first rose to fame upon appearing and ranking 2nd on the hit survival show Produce 101 which qualified her to be a member of the project group IOI. Through the years, Sejeong has become one of the most sought-after celebrities in the idol and variety entertainment.

On January 29, 2017, I.O.I officially disbanded following the release of their third and final digital single "Downpour".

On December 30, 2020, Jellyfish Entertainment announced gugudan would disband on December 31 after four years together.

Kim Sejeong Official Accounts:

Instagram: @clean_0828 / @official_kimsejeong

Youtube: OFFICIAL KIMSEJEONG

Twitter: @0828_kimsejeong

Weibo: KIMSEJEONG_金世正

V Live: 김세정 (KIM SE JEONG)

Stage Name: Sejeong (세정)

Birth Name: Kim Se-jeong (김세정)

Birthday: August 28, 1996

Zodiac Sign: Virgo

Height: 164 cm (5’5″)

Weight: 48 kg (105 lbs)

Blood Type: AB

Nationality: South Korean

Birthplace: Gimje, North Jeolla, South Korea

Label: Jellyfish Entertainment

Specialties: Singing, listening to music

Hobbies: Painting, Re-watching movies

In 2012, at the age of 16, Sejeong became a contestant on the competition show K-Pop Star 2. She was eliminated in the second round, but was brought back by Yang Hyun Suk as a wild card. Ultimately, she was once again eliminated in the final casting round.

In January 2016, Sejeong became a contestant on the survival show Produce 101, where she would represent Jellyfish Entertainment. She ranked 2nd in the finale, thus becoming a member of I.O.I. The group officially debuted on May 4 with their first mini album Chrysalis.

On June 23, Sejeong was revealed as the fifth member of gugudan. The group officially debuted on June 28 with their first mini album Act.1 The Little Mermaid. As a result, Sejeong was absent from the promotions of I.O.I's single album "Whatta Man".

On November 23, as part of Jellyfish Entertainment's music channel project Jelly Box, Sejeong made her solo debut with the digital single "Jelly Box Flower Way".

On January 29, 2017, I.O.I officially disbanded following the release of their third and final digital single "Downpour".

In July, Sejeong made her acting debut through KBS2's teen drama School 2017, in which she played the female lead role.

On July 10, 2018, she debuted as a member of gugudan's second sub-unit, gugudan SEMINA, with their first and only single album "Semina".

On December 30, 2020, Jellyfish Entertainment announced gugudan would disband on December 31 after four years together.

On May 11, 2021, Jellyfish announced that Sejeong had renewed her exclusive contract with the agency.

Plant (2020)

I'm (2021)

"Jelly Box Flower Way" (2016)

"Dingo X Sejeong" (2019)

"Whale" (2020)

"Baby I Love U" (2021)

"Love or Not" (with Taeil) (2017)

"Star Blossom" (with Doyoung) (2017)

"2018 National Football Team Cheering Album 'We, the Reds'" (with Various Artists) (2018)

"Legend of the Blue Sea OST Part.10" ("If Only") (2017)

"Mr. Sunshine OST Part.13" ("Paramour") (2018)

"Crash Landing on You Part.8" ("All of My Days") (2020)

"Record of Youth OST Part.9" ("What My Heart Says") (2020)

"The Uncanny Counter OST Part.2" ("Meet Again") (2020)

"Business Proposal Bonus Track" ("Love, Maybe (Acoustic ver.)") (2022)

The Sound Of Your Heart (KBS2, 2016)

School 2017 (KBS2, 2017)

I Wanna Hear Your Song (KBS2, 2019)

The Uncanny Counter (OCN, 2020-2021)

A Business Proposal (SBS, 2022)

Today's Webtoon (SBS, 2022)

K-Pop Star 2 (SBS, 2012) - contestant

Produce 101 (Mnet, 2016) - contestant

Get It Beauty (OnStyle, 2017) - MC

Busted! (Netflix, 2018–2019)

– She was born in Gimje, North Jeolla, South Korea.

– She has an older brother.

– Education: Hanyang Women’s University

– She is a former member of I.O.I, and Gugudan.

– In 2012, she participated in the second season of K-Pop Star 2.

– When she took part in Produce 101, she got the nickname “God Sejong” because she remained in first and second places during the entire competition.

– She was a trainee for only one year prior to appearing on Produce 101.

– In a letter, it was revealed that Sejeong felt bad for her mum because they were poor. She asked her mum to wait till the day when she could steadily provide for her family.

– She loves to imitate cartoon expressions.

– Her role model is soloist IU.

– When Sejeong was 18 years old, she won 1st place in a writing competition.

– She was a host of Talents for Sale (어서옵SHOW) in 2016 and was named a permanent MC for Get It Beauty in January 2017.

– She is the fastest Korean soloist to win a live music show, with the song “Flower Road” (produced by Zico).

– On 12 January 2017, the song “If Only” (만에 하나) for the K-drama The Legend of the Blue Sea (푸른 바다의 전설) OST was released.

– In January 2017, she participated in King of Mask Singer but was eliminated in Round 1.

– She acted in a Lotte Water Park CF with Astro’s Cha Eunwoo.

– She was the lead actress in the K-drama School 2017 (학교 2017), her first lead role in a K-drama series.

– On 13 October 2017, SM Station released the song “Star Blossom”, a collaboration between Sejeong and NCT‘s Doyoung.

– On 15 July 2018, she appeared as a cast member of the sci-fi variety show “Galileo: Awakened Universe”.

– On 16 September 2018, the song “Lover” (정인) for the K-drama Mr. Sunshine OST was released.

– Since 2018, she has appeared as a cast member on Busted! (범인은 바로 너), along with Yoo Jay Suk, Lee Kwang Soo and EXO‘s Oh Sehun.

– In 2019, she sang “All of My Days” (나의 모든 날) for the K-drama Crash Landing on You (사랑의 불시착) OST.

– In March–April 2019, she participated in King of Mask Singer again, becoming a finalist. She sang Lee So-ra‘s “To You Who Don’t Love Me Anymore” (나를 사랑하지 않는 그대에게) in Round 2 and Jaurim‘s “Twenty-five, Twenty-one” (스물다섯, 스물하나) in Round 3.

– In December 2020 she released a self-composed OST for the K-drama The Uncanny Counter, called “Meet Again”.

– She is seemingly adept at shooting a recurve bow.

– She is friends with Red Velvet’s Wendy, April’s Naeun, Jiwon from Spica and T-ara’s Jiyeon.

– She wrote and composed all the tracks in the “I’m” album, released on March 29, 2021.

– Sejeong’s ideal type: Someone who’s mature at an early age.

(source/ update)