Kim Se-jeong (; born August 28, 1996), known
mononym
A mononym is a name composed of only one word. An individual who is known and addressed by a mononym is a mononymous person. In some cases, a mononym selected by an individual may have originally been from a polynym, a word which refers to one o ...
ously as Sejeong, is a South Korean singer and actress. She finished second in
Mnet's
girl group
A girl group is a music act featuring several female singers who generally harmonize together. The term "girl group" is also used in a narrower sense in the United States to denote the wave of American female pop music singing groups, many of who ...
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'' (2020–2021), and ''
Business Proposal'' (2022).
Early life and education
Kim Se-jeong was born on August 28, 1996, in
Gimje,
North Jeolla Province
North Jeolla Province (; ''Jeollabuk-do''), also known as Jeonbuk, is a province of South Korea. North Jeolla has a population of 1,869,711 (2015) and has a geographic area of 8,067 km2 (3,115 sq mi) located in the Honam region in the southwest ...
, but moved to
Anyang, Gyeonggi where she stayed with her mother and older brother at her aunt's house. Her parents split when she was a child, leaving her mother to single-handedly raise her and her brother. She has previously stated that she did not contact her father until she was in her third year of middle school. Before her debut, Kim participated in track and field competitions in elementary and middle school and was part of the Theatre Club in her high school. Kim passed
Jellyfish Entertainment's auditions through a competition of 3,000 to 1 ratio, thus becoming a trainee. Kim is currently studying practical music at
Hanyang Women's University.
Career
2012–2016: First television appearances and debut with I.O.I

In 2012, Kim participated in the second season of competition television show ''
K-pop Star 2'' at the age of 16.
She did not make it through the second round ranking audition, but
Yang Hyun-suk brought her back as a wildcard for the casting round, where Kim performed a duet of
Taeyang
Dong Young-bae (; born May 18, 1988), better known by his stage names Taeyang (meaning "sun" in Korean) and SOL (when performing in Japan), is a South Korean singer, songwriter and dancer. After appearing in Jinusean's music video "A-yo", Tae ...
's "I Need A Girl" with fellow contestant Jo Yoo-min. Yang cast the both of them, grouping Kim with contestants Nicole Curry and Lee Soo-kyung for the final casting round. At the end of the round, she was eliminated from the competition.
In January 2016, Kim represented
Jellyfish Entertainment together with fellow trainees Kim Na-young and
Kang Mi-na
Kang Mi-na (; born December 4, 1999), known mononymously as Mina, is a South Korean singer, rapper and actress signed under Jellyfish Entertainment. She is best known for finishing ninth in Mnet's K-pop girl group survival show '' Produce 1 ...
on the reality survival show ''
Produce 101'', where they competed for the chance to debut in an Mnet project girl group. All three were assigned to "Group A" in the first episode of the program and Kim achieved the first-place ranking on several episodes, earning the nickname "God Sejeong". The program came to an end on April 1, 2016, and the final line-up of
I.O.I, consisting of the top 11 poll-winners, was announced. Kim was the runner-up contestant, garnering 525,352 votes, officially becoming a member of the girl group I.O.I. They debuted on May 4, 2016, with the lead single "
Dream Girls" from the album ''
Chrysalis''. I.O.I promoted for less than a year and officially disbanded in January 2017. The members returned to their respective agencies at the end of their contracts.
2016–2018: Gugudan and early acting roles
On June 10, 2016, YMC Entertainment revealed that Kim would not be taking part in I.O.I's unit promotions but would instead return to her agency to debut and promote with its upcoming girl group. On June 28, 2016, while still a member of I.O.I, Kim with her fellow I.O.I member Kang Mi-na officially debuted as members of South Korean girl group
Gugudan with the lead single "Wonderland". On November 23, 2016, Kim participated in Jellyfish Entertainment's music channel project ''
Jelly Box'' and released the single "
Flower Way", produced by
Zico, along with a music video. The single peaked at number two on the
Gaon Digital Chart
The Circle Digital Chart, previously known as the Gaon Digital Chart, is the music industry standard record chart ranking the 200 most popular singles in South Korea. It provides rankings on a weekly, monthly, and yearly basis, which is based o ...
. Kim received her first
music program trophy as a solo artist with "Flower Way" on the November 30 episode of ''
Show Champion
''Show Champion'' (Korean: 쇼 챔피언) is a South Korean music television program broadcast live by MBC M every Wednesday at Bitmaru Broadcasting Center in Ilsan.
Hosts
* Shindong (February 14, 2012 – December 25, 2012)
* Hahm Eun-j ...
'', making her one of the fastest soloist to win in a music show.
On January 12, 2017, Kim released the song "If Only" for the soundtrack of the drama ''
The Legend of the Blue Sea''. Later that year, she collaborated with
Lee Tae-il
Lee Tae-il (Hangul: 이태일, born September 24, 1990), better known by the mononym Taeil (Hangul: 태일), is a South Korean singer, signed under Seven Seasons. He is the main vocalist of Block B and is part of the T2u sub-unit with U-Kwon ...
of
Block B
Block B ( ko, 블락비) is a South Korean boy band managed by KQ Entertainment, and consists of seven members: Taeil, B-Bomb, Jaehyo, U-Kwon, Park Kyung, Zico, and P.O. Block B has received several accolades, including nominations for sev ...
for the digital single "I Like You, I Don't", which charted at number 8 in Gaon Music Charts. Kim also collaborated with
NCT
NCT may stand for: Tests
* National Car Test, Ireland, a roadworthiness test for cars
* National Curriculum Tests, in the English education system
Organizations and companies
* Nashville Children's Theatre, the oldest professional children's thea ...
's
Doyoung titled "Star Blossom" for ''
SM Station Season 2'' music project.
Aside from singing, Kim established herself as an "ace" in
variety shows with her multiple streak guesting in popular entertainment programs.
Kim hosted the new KBS show ''
Talents for Sale'' alongside
Kim Jong-kook,
Lee Seo-jin
Lee Seo-jin (born January 30, 1971) is a South Korean actor. He is best known for the reality shows '' Three Meals a Day'' and ''Grandpa Over Flowers''. As an actor, he came to prominence with his leading roles in television series '' Damo'' (2 ...
and
Noh Hong-chul
where she displayed a variety of talents on the show and earned the nickname 'Variety Cheat Key'.
She would later get a "Rookie Variety" nomination in the 15th
KBS Entertainment Awards. In March 2017, she joined the reality-documentary ''
Law of the Jungle in Sumatra'' headed by the chief
Kim Byung-man in a remote area in Sumatra, Indonesia. Kim displayed her athletic and survival skills such as diving and fishing for several episodes earning her a "survival ace" nickname by the producers. She was awarded with a Best Challenge Award on the
11th
11 (eleven) is the natural number following 10 and preceding 12. It is the first repdigit. In English, it is the smallest positive integer whose name has three syllables.
Name
"Eleven" derives from the Old English ', which is first attested i ...
SBS Entertainment Awards. Later on, Kim once again showed her physical skills and was dubbed as "Wonder Sejeong" when she joined the ''Boat Horn Clenched Fists'' crew on a fishing mission in Imjado, an island in
county
A county is a geographic region of a country used for administrative or other purposes Chambers Dictionary, L. Brookes (ed.), 2005, Chambers Harrap Publishers Ltd, Edinburgh in certain modern nations. The term is derived from the Old French ...
in
South Jeolla Province
South Jeolla Province (; ''Jeollanam-do''; ), also known as Jeonnam, is a province of South Korea. South Jeolla has a population of 1,902,324 (2014) and has a geographic area of located in the Honam region at the southwestern tip of the Korean ...
with
Kim Jong-min,
Lee Sangmin, Kim Byung-man whom she worked with in Law of the Jungle and among others.
In July 2017, she took on her first major acting role as the lead, Ra Eun-ho, in
KBS2
The Korean Broadcasting System (KBS) () is the national broadcaster of South Korea. Founded in February 1927, it is one of the leading South Korean television and radio broadcasters.
KBS operates seven radio networks, ten television channels, ...
's teen drama ''
School 2017'' where she won a "Best New Actress" award at the
31st KBS Drama Awards
The KBS Drama Awards () is an awards ceremony presented by the Korean Broadcasting System (KBS) for outstanding achievements in Korean dramas aired on its network. It is held annually on 31 December. The highest honor of the ceremony is the "Gra ...
for her performance as the bubbly and charismatic Eun-ho. She also sung the soundtrack for the series with her group Gugudan titled "Believe in this Moment".
In September 2017, it was confirmed that Kim would be a fixed cast member in
Netflix
Netflix, Inc. is an American subscription video on-demand over-the-top streaming service and production company based in Los Gatos, California. Founded in 1997 by Reed Hastings and Marc Randolph in Scotts Valley, California, it offers a ...
's first Korean variety show ''
Busted!'' alongside variety veterans
Yoo Jae-suk, Kim Jong-min,
Lee Kwang-soo,
Ahn Jae-wook
Ahn Jae-wook (born September 12, 1971) is a South Korean actor and singer.
Career
Ahn Jae-wook spent most of his childhood in his hometown, the district of Donam-dong in Seoul, before graduating from Seoul Institute of the Arts, where he major ...
, actress
Park Min-young and fellow idol
Oh Se-hun
Oh Se-hun (; born April 12, 1994), also known mononymously as Sehun, is a South Korean rapper, singer, songwriter, actor, model and dancer. He is a member of the South Korean-Chinese boy group Exo, its sub-group Exo-K and sub-unit Exo-SC. Ap ...
. The variety show spanned for three seasons with
Lee Seung-gi joining the cast in its second season.
That month, she also became a permanent MC for
OnStyle's ''Get It Beauty'' alongside
Honey Lee,
Lee Se-young and
Sandara Park
Sandara Park ( English pronunciation: ; born November 12, 1984), also known by her stage name Dara (Korean: 다라 English pronunciation: ), is a South Korean singer, actress and television presenter. She rose to fame in the Philippines as ...
.
In January 2018, Kim became the first special co-host of ''
Baek Jong-won's Alley Restaurant'' a cooking-variety program hosted by celebrity chef
Baek Jong-won.
Kim and fellow Jellyfish Entertainment artist
LEO
Leo or Léo may refer to:
Acronyms
* Law enforcement officer
* Law enforcement organisation
* ''Louisville Eccentric Observer'', a free weekly newspaper in Louisville, Kentucky
* Michigan Department of Labor and Economic Opportunity
Arts an ...
of
VIXX
VIXX ( ko, 빅스 pronounced "vicks"; acronym for "voice, visual, value in excelsis") is a South Korean boy band formed by Jellyfish Entertainment through the 2012 reality show ''MyDOL''. Originally a sextet, the group is presently composed of ...
were chosen to sing the official cheer song entitled ''"We, the Reds"'' for the
South Korea national football team
The South Korea national football team (; recognized as Korea Republic by FIFA) represents South Korea in men's international football and is governed by the Korea Football Association. South Korea has emerged as a major football power in As ...
for the 2018 World Cup Tournament. In June 2018, she was cast as one of the members of MDRS team led by
Kim Byung-man in their third time working together, with actress
Ha Ji-won and
2 PM's
Nichkhun
Nichkhun Buck Horvejkul ( th, นิชคุณ หรเวชกุล; ; born June 24, 1988), better known mononymously as Nichkhun ( ko, 닉쿤), is a Thai American singer, songwriter, rapper, actor and model who is currently based in Sou ...
for
tvN's sci-fi variety program ''Galileo: Awakened Universe'' that explores the idea of life on Mars. All the members flew to
Utah
Utah ( , ) is a state in the Mountain West subregion of the Western United States. Utah is a landlocked U.S. state bordered to its east by Colorado, to its northeast by Wyoming, to its north by Idaho, to its south by Arizona, and to its ...
,
United States
The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country primarily located in North America. It consists of 50 U.S. state, states, a Washington, D.C., federal district, five ma ...
to the
Mars Desert Research Station (MDRS), the largest and longest-running Mars surface simulation facility in the world. They were the first Korean entertainment crew to set foot on the Research Station.

In June 2018, a Gugudan subgroup named
Gugudan SeMiNa was formed with Kim and fellow ''
Produce 101'' alumn members Mina and Nayoung. They debuted on July 10, 2018, with the single "SeMiNa". In September 2018, Kim released the song "Lover" for the soundtrack of the drama ''
Mr. Sunshine''.
2019–present: Solo career, musical debut and success as an actress
In 2019, Kim went on to take her second leading role in the mystery romantic-comedy drama ''
I Wanna Hear Your Song
''I Wanna Hear Your Song'' () is a 2019 South Korean television series
Korean dramas (; RR: ''Han-guk deurama''), more popularly known as K-dramas, are television series in the Korean language, made in South Korea.
They are popular worldwid ...
'' where she played a timpanist who lost her memories due to traumatic events. She would later win the K-Drama Hallyu Star Award on the
2019 KBS Drama Awards for the role. After a year of hiatus as a singer and three years since her solo debut song, Kim released the single "Tunnel" in collaboration with Dingo Music on December 2, 2019, followed by her first self-written and composed
extended play
An extended play record, usually referred to as an EP, is a musical recording that contains more tracks than a single but fewer than an album or LP record. titled ''Plant'' (), with its lead single of the same name, released on March 17, 2020. She received her second music award show trophy on ''
The Show'' for her single. She wrote and composed all the tracks from her EP, except for the lead single. Kim released the song "All of My Days" for the soundtrack of the drama ''
Crash Landing on You'', which charted at number 50 on the Gaon Digital Chart, followed by "What My Heart Says" for the soundtrack of ''
Record of Youth
''Record of Youth'' () is a South Korean television series starring Park Bo-gum, Park So-dam, Byeon Woo-seok, and Kwon Soo-hyun. It aired on tvN from September 7 to October 27, 2020, every Monday and Tuesday at 21:00 ( KST), and is available fo ...
''. She later released the digital single "Whale" on August 17, 2020.
Kim then went on to make her musical debut as the female lead in ''Return: The Promise of the Day'', an original army musical that deals with the topic of excavating the remains of the heroic soldiers who sacrificed themselves to protect their country during the Korean War. On July 15, 2020, she was confirmed to star in the fantasy thriller drama ''
The Uncanny Counter'', where she played the role of Do Ha-na. Before filming the drama, Kim together with her co-stars trained in an action school to prepare for their respective roles. The drama went on to become the highest-rated
OCN series of all time, its immense popularity also led to a renewal for season 2. Kim also contributed to the drama's OST through her self-written and composed song "Meet Again" which charted at 147 on the Gaon Digital chart. After two years of inactivity, on December 31, 2020, Jellyfish Entertainment officially disbanded Gugudan and on May 11, 2021, Kim renewed her contract with the company as a solo artist and actress.
On March 9, 2021, it was revealed that Kim was in the middle of preparing for a comeback. On March 29, 2021, Kim released her second self-written and composed EP titled ''
I'm'' with its lead single "
Warning
Warning may refer to:
Signal
* Precautionary statement
* Warning sign
* Warning system
* Warning (traffic stop), issued by a police officer in lieu of a citation following a traffic stop
Books
* A Warning (book), ''A Warning'' (book), a 2019 ...
." Later that year, she was also featured in
MC Mong's ''Flower 9'' album with the song "Can I Go Back." On April 5, 2021, it was announced that Kim would make her second musical appearance through ''Red Book'', a musical drama about women's growth that seeks pride and dignity in the Victorian era. She played Anna, the protagonist of the story, who defied all odds against prejudice about women in the Victorian era. Kim performed from June 7 to August 24, 2021, for a total of 28 shows. ''Red Book Musical'' received a viewer rating of 9.9 out of 10, and currently holds the highest viewer rating among the top 20 sales for 2021 Musicals. The musical would later on win the Best Picture Award, as well as Best New Musical Actress nomination for Kim at the 2022 Korean Musical Awards.
On May 4, 2021, Kim and the members of I.O.I celebrated their fifth debut anniversary with a reunion live stream show called "Yes, I Love It!". On July 23, 2021, Kim collaborated with Municon and released the digital single "Baby I Love U", which is a remake of the same song by Japanese singer TEE. At the end of 2021, Kim hosted the
2021 MBC Entertainment Awards with
Jun Hyun-moo and
Lee Sang-yi.
In February 2022, Kim returned to the small screen as the female lead for the
SBS romantic comedy ''
Business Proposal'' alongside
Ahn Hyo-seop. In March, it was confirmed that Kim would star in the television series ''
Today's Webtoon'' alongside
Choi Daniel and
Nam Yoon-su.
Kim's first solo
fan meeting
Fan convention (also known as con or fan meeting), a term that predates 1942, is an event in which fans of a particular topic gather to participate and hold programs and other events, and to meet experts, famous personalities, and each other. Some ...
was scheduled to be held at Yes24 Live Hall on March 26, but was later postponed to April 23, after she tested positive for
COVID-19
Coronavirus disease 2019 (COVID-19) is a contagious disease caused by a virus, the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). The first known case was identified in Wuhan, China, in December 2019. The disease quickl ...
. Kim will hold her first overseas fan meeting in
Jakarta, Indonesia and
Bangkok, Thailand
Bangkok, officially known in Thai as Krung Thep Maha Nakhon and colloquially as Krung Thep, is the capital and most populous city of Thailand. The city occupies in the Chao Phraya River delta in central Thailand and has an estimated populatio ...
, on November 4 and 6. On November 11, Kim will hold a fan meeting in
Japan.
Other ventures
Endorsements
Kim is considered 2021's Top CF star for her work as an advertising model in various fields such as food, architecture, home appliances, games, and public service advertisements. Previously, she also took first place in 2017's Female Advertising Model Brand Reputation survey for the month of June and July.
She was the Global Advertising Model for
Crocs Come As You Are campaign alongside international actors
Natalie Dormer,
Zooey Deschanel
Zooey Claire Deschanel (; born January 17, 1980) is an American actress, singer, and songwriter. She made her film debut in '' Mumford'' (1999) and had a supporting role in Cameron Crowe's film '' Almost Famous'' (2000). Deschanel is known for h ...
,
Gina Jin, and Japanese model
Suzu Hirose. In 2018, she was selected as the brand model for
Coca Cola's Spring Summer campaign with actor
Park Bo-gum.
She was the exclusive model for Lotte High-Mart and was paired with
Astro's Cha Eun-woo for
Lotte's popular Water Park Commercial Film. In January 2019, she became the new face for the alcoholic beverage, Good Day Soju alongside celebrity chef
Baek Jong-won. Kim was also featured in an advertisement for Dong Won Tuna together with actor
Jo Jung-suk. In 2020, she and her ''
The Uncanny Counter'' cast mates,
Yeom Hye-ran
Yeom Hye-ran (born October 30, 1976) is a South Korean actress.
Career
Yeom began her career in theater in 1999 and made her screen debut in 2003. She has since played supporting roles in film and television, notably '' Dear My Friends'' (201 ...
and Moon Suk modeled for Dyson Coral™ Hair straightener product. Kim and Yeom participated in a three-episode web variety show titled ''The Uncanny Touch'' for the product's promotion.
Kim also endorsed: Beauty Products such as Manyo Factory Brand Cosmetics, Acwell, and Myskin Solus; food and beverage products such as Cocolab, Sunkist Fruit Cider, and Viyotte; online and RPG games
Sudden Attack
''Sudden Attack'' (Korean: 서든어택) is a free-to-play multiplayer first-person shooter online game developed by the South Korean company GameHi. On December 2, 2013, Nexon America CEO Min Kim announced plans to discontinue ''Sudden Attack' ...
, Destiny Child: Defense War, and Armis where she released a music video for the games' promotion; and other popular advertisements such as Samsung's virtual assistant
Bixby, GH Basic Housing, Oella (Home Appliances) and among others.
Kim participated in campaigns such as "Online Smoking Cessation" for Korea Health Promotion and Development Institute, Korea Creative Content Agency's Campaign to "Eradicate the use of Illegal Webtoon Distribution Sites" and National Health Insurance Corporation's "Smoking Cessation Treatment".
Ambassadorship
Kim was selected as an ambassador for the 2022 Hanoi Hallyu Expo.
Philanthropy
On March 8, 2022, Kim donated million to the Hope Bridge Disaster Relief Association to help the victims of the massive wildfire that started in Uljin, Gyeongbuk and has spread to Samcheok, Gangwon. On March 31, Kim donated million to Fruit of Love, Community Chest of Korea to help
war refugees in Ukraine. On August 19, Kim donated to the Hope Bridge Korea Disaster Relief Association to help those affected by the
2022 South Korean floods. On September 7, Kim donated to the Hope Bridge Korea Disaster Relief Association to support those who suffered damages due to
Typhoon Hinnamnor
Typhoon Hinnamnor, known in the Philippines as Super Typhoon Henry, was a very large and powerful tropical cyclone that impacted Japan and South Korea. The eleventh named storm, fourth typhoon, and the first super typhoon of the 2022 Pacific t ...
.
Image and influence
Kim was the main vocalist for both I.O.I and Gugudan and is known for her sweet powerful raspy voice as well as for her emotional healing songs. Kim cites
IU,
Girls' Generation
Girls' Generation (), also known as SNSD, is a South Korean girl group formed by SM Entertainment. The group is composed of eight members: Taeyeon, Sunny, Tiffany, Hyoyeon, Yuri, Sooyoung, Yoona, and Seohyun. Originally a nine-piece e ...
's
Taeyeon and
Ailee as her role models in singing and often uses their songs in her practice sessions. Kim is oftentimes called the icon of "Flower Way" through broadcasts and media after her famous speech to her mother, "I will only let you walk on the flower road from now on," during the first elimination round of Produce 101 where she won first place. Her first solo song "
Flower Way" was based on the letter Kim wrote for her mother in
Talents for Sale where she was a host. In August 2021, she won the Multi-tainer Award at 2021 Brand of the Year Awards for her works on various entertainment field such as music, drama, variety and musicals.
Aside from singing and acting, Kim is a sports enthusiast and known for her athletic skills and strong physique and have been featured on various entertainment shows and headlines thus receiving the tag "Strong Female Idol." Kim together with her group
Gugudan are three-time gold medalists in three consecutive years and record holders for the Women's Archery Competition in ''
Idol Star Athletics Championships
The Idol Star Athletics Championships (, abbr. 아육대) is a South Korean television program which aired for the first time in 2010. The program features celebrities, most notably Korean pop idols singers and groups, which compete in multi-s ...
'' and a gold medalist and record holder with her
I.O.I and Gugudan member
Mina in Women's Bowling Competition.
Discography
Extended plays
Singles
Other charted songs
Soundtrack appearances
Compilation appearances
Composition credits
All song credits are adapted from the
Korea Music Copyright Association
The Korea Music Copyright Association (KOMCA) is a South Korean non-profit copyright collective for musical works, administering public performance and broadcasting rights, and mechanical recording and reproduction rights. Founded in 1964, it i ...
's database under Kim Sejeong unless otherwise noted.
Filmography
Television series
Television shows
Web shows
Hosting
Theatre
Awards and nominations
Notes
References
External links
*
*
*
{{DEFAULTSORT:Kim, Se-jeong
Kim Se-jeong
1996 births
People from Anyang, Gyeonggi
People from Gimje
Living people
Jellyfish Entertainment artists
South Korean female idols
South Korean women pop singers
Swing Entertainment artists
South Korean television actresses
South Korean musical theatre actresses
K-pop Star participants
Produce 101 contestants
Gugudan
I.O.I members
21st-century South Korean women singers
21st-century South Korean singers
21st-century South Korean actresses
Gwangsan Kim clan