Kim Sejeong Profile and Facts:
Sejeong (세정) is a South Korean singer and actress currently under BH Entertainment. She is a former member of the girl group Gugudan and I.O.I.
Fandom Name: Sesang (“world” in Korean)
Official Fan Colors: –
Official Accounts:
Instagram: clean_0828 / official_kimsejeong
YouTube: OFFICIAL KIMSEJEONG
Twitter: 0828_kimsejeong
Weibo: KIMSEJEONG_金世正
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
Management: BH Entertainment
Specialties: Singing, listening to music
Hobbies: Painting, Re-watching movies
Sejeong Facts:
– She has an older brother.
– Education: Indeokwon High School, Hanyang Women’s University (Music)
– 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 EP I’m, released on 29 March 2021.
– After 10 years with Jellyfish Entertainment, it was announced she had joined BH Entertainment on 24 March 2026.
– Sejeong’s ideal type: Someone who’s mature at an early age.
Drama Series:
Moon River (이강에는 달이 흐른다) | 2025 | Park Dal-i
Brewing Love (취하는 로맨스) | 2024 | Chae Yong-ju
The Uncanny Counter 2 (경이로운 소문 시즌2: 카운터 펀치) | 2023 | Do Ha-na
Today’s Webtoon (오늘의 웹툰) | 2022 | On Ma-eum
A Business Proposal (사내 맞선) | 2022 | Shin Ha-ri
The Uncanny Counter (경이로운 소문) | 2020 | Do Ha-na
I Wanna Hear Your Song (너의 노래를 들려줘) | 2019 | Hong Yi-young
School 2017 (학교 2017) | 2017 | Ra Eun-ho
The Sound of Your Heart (마음의 소리) | 2016 | cameo
Stage:
Temple (템플) | 2023–2024 play | Temple Grandin
Red Book (레드북) | 2021 musical | Anna Knock
Return: The Promise of the Day (귀환) | 2020 musical | Lee Hae-sung
Solo Albums:
Door (2023)
I’m (2021 EP)
Plant (2020 EP)
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(Special thanks to _Sejeongdays, ST1CKYQUI3TT, Miming, KIMSEJEONGINDO, Navystin, Nature Says “Stan BTS”, Forever_kpop___, The Nexus, BBaam, Seseduo, Brit Li, Seongwoo Ong, sleepy_lizard0226, brianna_9, heart_joy)
Related: Kim Sejeong Discography
Latest Korean Comeback:
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