Seo Da-hyun (; born January 8, 2003), is a South Korean singer. She is a member of the South Korean girl group

TripleS TripleS (; ; stylized as tripleS) is a South Korean 24-member multinational girl group formed by Modhaus. They aim to be the world's first decentralized idol group, where the members will rotate between the full group, sub-units, and solo activi ...

and its sub-units, Lovelution and Aria.

Early life

Seo Da-hyun was born in

Suyeong-gu Suyeong District () is a district ('' gu'') in central Busan, South Korea. It has a population density of about . Suyeong District was created in 1995 following its separation from Nam District. It is border in the North-East by the Suyeonggang ...

Busan Metropolitan City Busan (), officially Busan Metropolitan City, is South Korea's second most populous city after Seoul, with a population of over 3.3 million as of 2024. Formerly romanized as Pusan, it is the economic, cultural and educational center of southe ...

South Korea South Korea, officially the Republic of Korea (ROK), is a country in East Asia. It constitutes the southern half of the Korea, Korean Peninsula and borders North Korea along the Korean Demilitarized Zone, with the Yellow Sea to the west and t ...

. She graduated from

Hanlim Multi Art School Hanlim Multi Art School () is an arts high school located in Songpa District in Seoul, South Korea. History Hanlim School was founded on 3 March 1962, with Lee Hyeon-man being appointed school principal. In 2009, it became the Hanlim Multi Art ...

in the Practical Music Department. In 2018, Seo became an idol trainee at

Source Music Source Music () is a South Korean record label established in 2009 by So Sung-jin. In July 2019, the company was acquired by Hybe Corporation, making the company part of the collective term "Hybe Labels". The company manages girl group Le Sserafim ...

, during her time at Source Music, she sang the chorus vocals for

GFriend GFriend (stylized in all caps; ) is a South Korean girl group formed by Source Music in 2015. The group consists of six members: Kim So-won, Sowon, Yerin (entertainer), Yerin, Eunha (singer), Eunha, Yuju (singer), Yuju, SinB, and Umji. They deb ...

's song "

Hope Hope is an optimistic state of mind that is based on an expectation of positive outcomes with respect to events and circumstances in one's own life, or the world at large. As a verb, Merriam-Webster defines ''hope'' as "to expect with confid ...

Career

2022-present: Debut with tripleS

On December 4, 2022, Seo was introduced as the 10th member of TripleS through releasing the original soundtrack "I'm In Love You" for the Korean drama series, ''

Reborn Rich ''Reborn Rich'' () is a South Korean television series adapted from the original web novel of the same name, starring Song Joong-ki, Lee Sung-min, and Shin Hyun-been. It aired on JTBC from November 18 to December 25, 2022, every Friday to Sun ...

''. Seo made her official debut with tripleS on February 13, 2023 with the extended play ''Assemble''. On April 19, Seo sang the Korean national anthem during a baseball game between

Kiwoom Heroes The Kiwoom Heroes () are a South Korean professional baseball, professional baseball team based in Seoul. They are a member of the KBO League. The Heroes play their home games at Gocheok Sky Dome in Gocheok-dong, a neighborhood located in the sou ...

and

Samsung Lions The Samsung Lions () are a South Korean professional baseball team founded in 1982. They are based in the southeastern city of Daegu and are members of the KBO League. Their home stadium is Daegu Samsung Lions Park. They have won the Korean Cha ...

. On April 25, Seo was placed into TripleS' new subunit Lovelution through a vote determined by fans. Lovelution made their official subunit debut on August 17. On June 9, Seo released her second original soundtrack "More Than Yesterday" for the Korean drama series '' Dr. Romantic 3.'' On November 22, TripleS announced a new sub-unit focused around vocals, Seo was chosen as a pre-determined member as the leader and center of the sub-unit. The sub-unit officially made their debut on January 15, 2024 with their single album "Structure of Sadness". In January, Seo sang the theme song "We Go High" with Lun8's Ji Eun-ho at the 2024 Gangwon Winter Youth Olympics opening ceremony. On February 4, Seo released her third original soundtrack "My Hope" for the Korean drama series ''

Knight Flower ''Knight Flower'' () is a 2024 South Korean television series starring Lee Hanee, Lee Jong-won, Kim Sang-joong, and Lee Ki-woo. It is based on a webtoon of the same Korean title, which was launched through KakaoPage on August 14, 2023. It a ...

'' TripleS made their debut as a complete 24 members on May 8, with the studio album ''

Assemble24 ''Assemble24'' is the first studio album by South Korean girl group TripleS, their first release as a full group. It was released on May 8, 2024 via Modhaus and distributed by Kakao Entertainment. It contains ten tracks, including the lead single ...

''. On December 27, Seo released her fourth original soundtrack "First Night of Snow" for the Korean drama, ''Your Muse, My Goddess''.

Discography

Soundtrack appearances

Filmography

Television shows

Radio

References

2003 births Living people South Korean female idols K-pop singers South Korean women pop singers South Korean dance music singers 21st-century South Korean singers 21st-century South Korean women singers TripleS members Hanlim Multi Art School alumni {{TripleS