Ko Yu Seon

Name: Ko Yu Seon
Native name: 고유선
Also Known as: Ko Yuseon, Go Yu Seon, Go Yuseon, Ko Eun Shil, Ko Eunshil, Go Eun Sil, Go Eunsil, 고은실
Nationality: South Korean
Gender: Female
Born: May 14, 1999
Age: 27

Ko Yu Seon is a South Korean singer, actress, and former member of YEAR 7 CLASS 1 (칠학년일반). She graduated from Goyang Technical High School and later obtained an associate's degree in Aviation Service from Jeonghwa Arts University. She made her debut in 2014 (using the stage name Ko Eun Shil) as the girl group's dancer, rapper, and maknae with their 1st single, "Oppa Virus". The agency, DRB Entertainment (다른별엔터테인먼트), was not able to effectively promote the group and they quietly disbanded in 2018. She then ventured into acting and appeared as a reenactment actress in some episodes of seasons 2 and 3 of "Teenage Parents".

(Source: MyDramaList) Edit Biography

Year	Title	#	Role	Rating
2025	My Fashion Criminal Korean Drama, 2025, 50 eps Jung Si Hyeon (Support Role)	50	Jung Si Hyeon Support Role	7.0

Year	Title	#	Role
2023	Miss Trot Season 3 Korean TV Show, 2023, 12 eps [Contestant] (Regular Member)	12	[Contestant] Regular Member
2023	Teenage Parents Season 3 Korean TV Show, 2023, 27 eps [Reenactment actress] (Ep. 25) (Guest)	27	[Reenactment actress] (Ep. 25) Guest
2022	Teenage Parents Season 2 Korean TV Show, 2022, 30 eps [Reenactment actress] (Ep. 14, 21) (Guest)	30	[Reenactment actress] (Ep. 14, 21) Guest

Ko Yu Seon

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Details

First Name: Yu Seon
Family Name: Ko
Native name: 고유선
Also Known as: Ko Yuseon, Go Yu Seon, Go Yuseon, Ko Eun Shil, Ko Eunshil, Go Eun Sil, Go Eunsil, 고은실
Nationality: South Korean
Gender: Female
Born: May 14, 1999
Age: 27