Chang Sun Lee

Lee Chang Sun

  • Name: Lee Chang Sun
  • Native name: 이창선
  • Also Known as: Lee Chang Seon
  • Nationality: South Korean
  • Gender: Male
  • Born: March 17, 1996
  • Age: 29
Lee Chang Sun is a South Korean singer, dancer, model, and former member of 24K (투포케이) and TAN (티에이엔). He graduated from Yangmyung High School and later obtained an associate's degree in Practical Dance from Kookje University.

He made his debut in August 2016 when he joined as 24K's new main dancer and vocalist with their digital single, "Still 24K". The group, managed by Choeun Entertainment (조은엔터테인먼트), was never able to find a steady fanbase and opportunities to promote, often spending several years on hiatus before releasing new material. Plus, the agency began making constant lineup changes starting in 2014. He became the group's leader in January 2019 when Corbyn (formerly known as Cory) left the group.

In June 2021, he was part of the digital single "Mainstreet", which ended up being his last collaboration for 24K. Later that year, he entered the singing survival show "Extreme Debut: Wild Idol" and finished in 1st place, earning a spot in a new project group called TAN.

He signed a two-and-a-half-year contract with Think Entertainment (생각엔터테인먼트) and re-debuted in March 2022 with their 1st mini-album "1TAN" as the leader, main dancer and sub-vocalist. In September 2023, he officially announced his departure from 24K to focus exclusively on TAN.

However, Think Entertainment became embroiled in several controversies, and all members ended their contracts in June 2024. A few weeks later, he announced the group's disbandment and also decided to stop being an idol.

He enlisted for his mandatory military service on October 7, 2024, and was discharged on April 6, 2026.

(Source: kisskh) Edit Biography
TV Show
Year Title # Role Rating
2023 Secret Tour
Korean TV Show, 2023, 30 eps
(Ep. 12) (Guest)
30
(Ep. 12)
Guest
0.0
2023 I Can See Your Voice Season 10
Korean TV Show, 2023, 8 eps
[Panelist] (Ep. 4) (Guest)
8
[Panelist] (Ep. 4)
Guest
7.9
2022 2022 Idol Star Athletics Championships Chuseok Special
Korean TV Show, 2022, 3 eps
(Regular Member)
3
Regular Member
7.7
2022 Midnight Idol Season 3
Korean TV Show, 2022, 50 eps
(Ep. 26) (Guest)
50
(Ep. 26)
Guest
7.7
2022 Secret Airlines
Korean TV Show, 2022, 21 eps
(Ep. 12, 20) (Guest)
21
(Ep. 12, 20)
Guest
0.0
2022 Dancing Dol Stage
Korean TV Show, 2022, 3 eps
(Regular Member)
3
Regular Member
8.4
2022 We Are a Family
Korean TV Show, 2022, 2 eps
(Regular Member)
2
Regular Member
0.0
2022 Studio Moon Night Season 2
Korean TV Show, 2022, 47 eps
(Ep. 166) (Guest)
47
(Ep. 166)
Guest
8.5
2021 2021 MBC Music Festival: Together
Korean TV Show, 2021, 1 eps
[Performer] (Regular Member)
1
[Performer]
Regular Member
8.1
2021 Extreme Debut: Wild Idol
Korean TV Show, 2021, 13 eps
[Contestant] (Regular Member)
13
[Contestant]
Regular Member
7.8
2021 Midnight Idol Season 2
Korean TV Show, 2021, 150 eps
(Ep. 108, 136) (Guest)
150
(Ep. 108, 136)
Guest
8.6
2021 Studio Moon Night
Korean TV Show, 2021, 156 eps
(Ep. 142) (Guest)
156
(Ep. 142)
Guest
8.4
2020 Master Kwang of the Photo Studio
Korean TV Show, 2020, 20 eps
(Ep. 23) (Guest)
20
(Ep. 23)
Guest
0.0
2019 Lunch Attack
Korean TV Show, 2019, 890 eps
(Ep. 673, 743) (Guest)
890
(Ep. 673, 743)
Guest
6.0
2017 MIXNINE
Korean TV Show, 2017, 14 eps
[Contestant] (Regular Member)
14
[Contestant]
Regular Member
7.0
2016 Fact iN Star
Korean TV Show, 2016, 200 eps
(Ep. 2) (Guest)
200
(Ep. 2)
Guest
8.2
2013 After School Club
Korean TV Show, 2013, 675 eps
(Ep. 322, 532, 539, 546, 566) (Guest)
675
(Ep. 322, 532, 539, 546, 566)
Guest
7.8
2011 Weekly Idol
Korean TV Show, 2011, 715 eps
(Ep. 626) (Guest)
715
(Ep. 626)
Guest
8.1
2011 Immortal Songs: Singing the Legend
Korean TV Show, 2011, 750 eps
(Ep. 600-601, 603) (Guest)
750
(Ep. 600-601, 603)
Guest
8.2
2010 Running Man
Korean TV Show, 2010, 775 eps
(Ep. 319) (Guest)
775
(Ep. 319)
Guest
9.2
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Lee Chang Sun

Chang Sun Lee
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Details

  • First Name: Chang Sun
  • Family Name: Lee
  • Native name: 이창선
  • Also Known as: Lee Chang Seon
  • Nationality: South Korean
  • Gender: Male
  • Born: March 17, 1996
  • Age: 29

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