Kim Jun Seo

Name: Kim Jun Seo
Native name: 김준서
Also Known as: Kim Joon Seo
Nationality: South Korean
Gender: Male
Born: November 20, 2001
Age: 23

Kim Jun Seo is a South Korean singer, dancer, actor, former member of 1THE9 (원더나인), and current member of WEi (위아이). He dropped out of Mugeo High School before passing the High School Graduation Certification Examination.

In 2018, he appeared in the singing survival show "UNDER19" and finished in 9th place, thus earning a spot in the resulting project group. He made his debut in April 2019 as 1THE9's lead vocalist, lead dancer, rapper and visual with their first mini-album, "XIX". They were supposed to be active for around one year, so in August 2020, PocketDol Studio (포켓돌스튜디오) announced their disbandment.

He returned to his previous agency, OUI Entertainment (위엔터테인먼트), and re-debuted in October 2020 as WEi's lead dancer, sub-vocalist and maknae with their first EP "Identity: First Sight".

He made his acting debut in 2025 with the lead role in the BL web drama "Secret Relationships". In May of that year, he went on hiatus from all WEi activities as he entered the reality competition "Boys II Planet".

(Source: kisskh) Edit Biography

Year	Title	#	Role	Rating
2025	Secret Relationships Korean Drama, 2025, 8 eps Jung Da On (Main Role)	8	Jung Da On Main Role	8.2

Year	Title	#	Role	Rating
2025	Boys II Planet K Korean TV Show, 2025, 2 eps [Contestant] (Regular Member)	2	[Contestant] Regular Member	7.3
2025	Boys II Planet Korean TV Show, 2025, 13 eps [Contestant] (Regular Member)	13	[Contestant] Regular Member	7.5
2023	I Can See Your Voice Season 10 Korean TV Show, 2023, 8 eps [Panelist] (Ep. 3) (Guest)	8	[Panelist] (Ep. 3) Guest	7.9
2023	Edu K-Idol Korean TV Show, 2023, 24 eps (Ep. 5-6) (Guest)	24	(Ep. 5-6) Guest	0.0
2022	Idol League Season 4 Korean TV Show, 2022, 10 eps (Ep. 28) (Guest)	10	(Ep. 28) Guest	0.0
2022	2022 Idol Star Athletics Championships Chuseok Special Korean TV Show, 2022, 3 eps (Regular Member)	3	Regular Member	7.7
2022	Idol K-Goods Tour 'Paradao' Korean TV Show, 2022, 20 eps (Regular Member)	20	Regular Member	9.2
2022	Why-Not Crew Korean TV Show, 2022, 10 eps (Ep. 10) (Guest)	10	(Ep. 10) Guest	8.8
2022	Studio Moon Night Season 2 Korean TV Show, 2022, 47 eps (Ep. 163) (Guest)	47	(Ep. 163) Guest	8.5
2022	Idol's Snack Spree Korean TV Show, 2022, 20 eps (Ep. 6) (Guest)	20	(Ep. 6) Guest	7.7
2022	Idol Challenge: Another Class Season 2 Korean TV Show, 2022, 26 eps (Ep. 15-16) (Guest)	26	(Ep. 15-16) Guest	8.0
2022	Parasite Challenge: WEi Korean TV Show, 2022, 8 eps (Regular Member)	8	Regular Member	7.8
2021	Idolympic Korean TV Show, 2021, 20 eps (Ep. 7-8) (Guest)	20	(Ep. 7-8) Guest	8.4
2021	Mama the Idol Korean TV Show, 2021, 8 eps (Ep. 1-2) (Guest)	8	(Ep. 1-2) Guest	8.0
2021	WEi Chemi-Mate ZZG Korean TV Show, 2021, 7 eps (Regular Member)	7	Regular Member	8.0
2021	Midnight Idol Season 2 Korean TV Show, 2021, 150 eps (Ep. 82, 138) (Guest)	150	(Ep. 82, 138) Guest	8.6
2021	Will This Work?: Melon Station Korean TV Show, 2021, 49 eps (Ep. 30) (Guest)	49	(Ep. 30) Guest	8.2
2021	Oui Are Friends Season 2 Korean TV Show, 2021, 8 eps (Regular Member)	8	Regular Member	8.2
2021	M Spotlight: in the School Japanese TV Show, 2021, 6 eps (Guest)	6	Guest	8.3
2021	Wei-Dang: The Birth of the Phantom Thieves Korean TV Show, 2021, 10 eps (Regular Member)	10	Regular Member	7.5
2021	The Bomb Dance Korean TV Show, 2021, 12 eps (Ep. 10) (Guest)	12	(Ep. 10) Guest	0.0
2021	Max Chang Min's Free Hug Korean TV Show, 2021, 51 eps (Ep. 47) (Guest)	51	(Ep. 47) Guest	7.8
2021	Ssap-Dance: WEi Korean TV Show, 2021, 7 eps (Regular Member)	7	Regular Member	7.9
2021	Official Request Korean TV Show, 2021, 26 eps (Ep. 14) (Guest)	26	(Ep. 14) Guest	7.9
2021	Update on Your Real Characters' Taste Korean TV Show, 2021, 18 eps (Ep. 3) (Guest)	18	(Ep. 3) Guest	10.0
2021	Fact iN Star Season 2 Korean TV Show, 2021, 36 eps (Ep. 5-6) (Guest)	36	(Ep. 5-6) Guest	8.2
2021	Rumor Offisherlock Korean TV Show, 2021, 18 eps (Ep. 3) (Guest)	18	(Ep. 3) Guest	8.2
2021	Studio Moon Night Korean TV Show, 2021, 156 eps (Ep. 36) (Guest)	156	(Ep. 36) Guest	8.4
2021	Idol Picknic: WEi Korean TV Show, 2021, 2 eps (Regular Member)	2	Regular Member	0.0
2020	The Silence of IDOL Korean TV Show, 2020, 26 eps (Ep. 9) (Guest)	26	(Ep. 9) Guest	8.2
2020	Idol League Season 3 Korean TV Show, 2020, 66 eps (Ep. 20) (Guest)	66	(Ep. 20) Guest	8.4
2020	Back to the Idol Korean TV Show, 2020, 8 eps (Ep. 5) (Guest)	8	(Ep. 5) Guest	8.0
2020	Idol House Korean TV Show, 2020, 18 eps (Ep. 8) (Guest)	18	(Ep. 8) Guest	8.1
2020	Idol Challenge: Another Class Korean TV Show, 2020, 9 eps (Ep. 8) (Guest)	9	(Ep. 8) Guest	8.0
2020	Idol Ability Market Korean TV Show, 2020, 27 eps (Ep. 10, 25) (Guest)	27	(Ep. 10, 25) Guest	8.7
2020	K-Bob Star Korean TV Show, 2020, 18 eps (Ep. 12) (Guest)	18	(Ep. 12) Guest	8.4
2020	Secret Friend of Idols Korean TV Show, 2020, 38 eps (Ep. 36) (Guest)	38	(Ep. 36) Guest	8.2
2020	‏2020 Idol Star Athletics Championships Korean TV Show, 2020, 9 eps (Regular Member)	9	Regular Member	7.9
2019	Transonglation Korean TV Show, 2019, 67 eps (Ep. 37) (Guest)	67	(Ep. 37) Guest	8.2
2019	2019 Idol Star Athletics Championships Chuseok Special Korean TV Show, 2019, 6 eps (Regular Member)	6	Regular Member	7.8
2019	Midnight Idol Korean TV Show, 2019, 345 eps (Ep. 46, 276, 316) (Guest)	345	(Ep. 46, 276, 316) Guest	8.2
2019	Q&A Machine Korean TV Show, 2019, 34 eps (Ep. 32) (Guest)	34	(Ep. 32) Guest	7.6
2019	5 Minutes to Six Korean TV Show, 2019, 425 eps (Ep. 233, 389) (Guest)	425	(Ep. 233, 389) Guest	8.0
2019	Lunch Attack Korean TV Show, 2019, 890 eps (Ep. 667) (Guest)	890	(Ep. 667) Guest	6.0
2018	UNDER19 Korean TV Show, 2018, 14 eps [Performance Trainee] (Regular Member)	14	[Performance Trainee] Regular Member	7.8
2018	Mafia Dance Korean TV Show, 2018, 26 eps (Ep. 15) (Guest)	26	(Ep. 15) Guest	8.2
2018	Idol League Korean TV Show, 2018, 56 eps (Ep. 51) (Guest)	56	(Ep. 51) Guest	8.4
2018	Omniscient Interfering View Korean TV Show, 2018, 365 eps (Ep. 155) (Guest)	365	(Ep. 155) Guest	7.7
2013	After School Club Korean TV Show, 2013, 675 eps (Ep. 453, 516, 662) (Guest)	675	(Ep. 453, 516, 662) Guest	7.8
2011	Weekly Idol Korean TV Show, 2011, 715 eps (Ep. 403, 481, 503, 553, 585, 619) (Guest)	715	(Ep. 403, 481, 503, 553, 585, 619) Guest	8.1
2011	Immortal Songs: Singing the Legend Korean TV Show, 2011, 750 eps (Ep. 515-516, 523) (Guest)	750	(Ep. 515-516, 523) Guest	8.2
2004	M Countdown Korean TV Show, 2004, 700 eps [Performer] (Ep. 685-687, 699, 701, 713-714, 744-746) (Guest)	700	[Performer] (Ep. 685-687, 699, 701, 713-714, 744-746) Guest	8.2
1998	Music Bank Korean TV Show, 1998, 1240 eps [Performer] (Guest)	1240	[Performer] Guest	7.7
1998	Pops in Seoul Korean TV Show, 1998, 6000 eps (Guest)	6000	Guest	7.9