Kim Yun Seo

Name: Kim Yun Seo
Native name: 김윤서
Also Known as: 윤서, Yunseo
Nationality: South Korean
Gender: Female
Born: July 3, 2004
Age: 21

Kim Yun Seo, known mononymously as Yunseo, is a South Korean singer, dancer and member of BADVILLAIN (배드빌런). She graduated from Apgujeong High School and, before debuting, spent several years as a trainee at 3 different companies.

She made her debut in June 2024 as BADVILLAIN's rapper and vocalist with their first single album, "Overstep". The group is managed by Big Planet Made Entertainment (빅플래닛메이드엔터).

(Source: kisskh) Edit Biography

Year	Title	#	Role	Rating
2025	2025 Idol Star Athletics Championships Korean TV Show, 2025, 3 eps (Regular Member)	3	Regular Member	7.6
2024	Min Ju's Pink Cabinet Korean TV Show, 2024, 51 eps (Ep. 38) (Guest)	51	(Ep. 38) Guest	8.2
2024	2024 Idol Star Athletics Championships Chuseok Special Korean TV Show, 2024, 3 eps (Regular Member)	3	Regular Member	7.7
2022	After School Excitement Winter Camp Korean TV Show, 2022, 2 eps (Regular Member)	2	Regular Member	8.2
2022	After School Excitement Special Activities Korean TV Show, 2022, 1 eps (Regular Member)	1	Regular Member	7.8
2021	My Teenage Girl Korean TV Show, 2021, 12 eps [Contestant] (Regular Member)	12	[Contestant] Regular Member	7.3
2021	Hesitation Before Going to School Korean TV Show, 2021, 18 eps [Trainee] (Regular Member)	18	[Trainee] Regular Member	7.8
2011	Weekly Idol Korean TV Show, 2011, 707 eps (Ep. 693) (Guest)	707	(Ep. 693) Guest	8.1

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