Kang Ye-seo (; born August 22, 2005), known mononymously as Yeseo, is a South Korean singer and actress. She is best known as a former member of the group Kep1er, having finished 6th in the Mnet survival competition show Girls Planet 999. She departed from Kep1er and joined the group Madein in July 2024. As an actress, Kang began her career in a supporting role in the MBC drama, Golden Fish (2010).
Career 2010–2020: Early career beginnings Kang began her acting career in 2010 in a supporting role in the MBC drama, Golden Fish and at the same time, she became a member of the kid's girl group CutieL.
She started gaining popularity in 2013 for acting in the film Miracle in Cell No. 7 as Choi Ji-yeon for her famous Sailor Moon backpack, which helped Sailor Moon gain domestic popularity in Korea. She then acted in almost 20 dramas.
Kang became a new member of Busters to replace Minjung towards the end of January. She made her debut on July 31, 2019, with their first extended play Pinky Promise. On August 6, 2020, Kang left the group to continue acting and other activities.
2021–present: Girls Planet 999, Kep1er and Madein
On July 18, 2021, Kang was officially announced as a contestant in Mnet's survival show Girls Planet 999 where she represented 143 Entertainment alongside fellow Kep1er member Mashiro Sakamoto. On October 22, Kang placed 6th with a total of 770,561 points in the final episode thus making her included in final group lineup.
On January 3, 2022, she officially debuted as a member of Kep1er with the release of their first EP, First Impact.
On July 15, 2024, Kang, along with Mashiro, left Kep1er. On July 29, it was officially announced that Kang would be part of the rebranded group Madein. She left the group in December 2025.
In February 2026, Kang return to acting in her theatrical debut The Belgian Fish as Petit Filleux, with Jo Min-kyung.
Discography
Filmography
Film Year Title Role Notes 2012 Fighting Family The Seahorse Family 2013 Miracle in Cell No. 7 Choi Ji-yeon Sprout Yeseo 2014 Forgive Me young Min-ji 2017 One Step young Si-hyun
Television series Year Title Role Notes 2010 Golden Fish Moon Seo-yeon Smile, Mom Shin Yoo-ra 2011 Brain Choi Ryu-bi Men Cry Lim Ju-hee Duet Han Joon-hwi 2012 The Korean Peninsula Im Jin-jae Angel's Choice Yoo-ran and Sang-ho's daughter Dream of the Emperor Young Princess Yeon-hwa 2013 Flower of Revenge Yoo Ye-ji 2017 Ancient Beast Song Ha-eun 2019 Abyss young Jang Hee-jin and young Oh Su-jin 2020 Diary of a Prosecutor Yang Eun-jung 2021 Cheat on Me If You Can Park Yeo-ju Bossam: Steal the Fate Kim Hye-yoon
Television shows Year Title Role Notes 2021 Girls Planet 999 Contestant Finished 6th
Theater Year Title Role Venue Notes 2026 The Belgian Fish Petit Filleux Jiguin Art Hall Small with Jo Min-kyung
Notes
References
External links