Lee Yu Jeong

Name: Lee Yu Jeong
Native name: 이유정
Also Known as: イユジョン
Nationality: South Korean
Gender: Female
Born: June 14, 2004
Age: 22

Lee Yu Jeong, known simply as Yujeong, is a South Korean singer, dancer and member of LIGHTSUM (라잇썸). She graduated from Seoul Performing Arts High School, and before debuting, she spent time as a trainee at Stardom Entertainment, Fantagio Entertainment, and CNC School. She was a cheerleader for 5 years.

She made her debut in June 2021 as the group's sub-vocalist (and she is now the current maknae) with their first single, "Vanilla". They are managed by CUBE Entertainment (큐브엔터테인먼트).

(Source: MyDramaList) Edit Biography

Year	Title	#	Role	Rating
2022	From Now On, Showtime! Korean Drama, 2022, 16 eps [Idol] (Ep. 3-5) (Guest Role)	16	[Idol] (Ep. 3-5) Guest Role	8.3

Year	Title	#	Role	Rating
2024	2024 Idol Star Athletics Championships Chuseok Special Korean TV Show, 2024, 3 eps (Regular Member)	3	Regular Member	7.7
2023	Secret Tour Korean TV Show, 2023, 30 eps (Ep. 13) (Guest)	30	(Ep. 13) Guest	0.0
2022	Idol Drawing Contest Korean TV Show, 2022, 4 eps (Regular Member)	4	Regular Member	6.9
2022	2022 Idol Star Athletics Championships Chuseok Special Korean TV Show, 2022, 3 eps (Regular Member)	3	Regular Member	7.7
2022	My Boyfriend Is Better Korean TV Show, 2022, 7 eps (Ep. 1-2) (Guest)	7	(Ep. 1-2) Guest	7.7
2022	Studio Moon Night Season 2 Korean TV Show, 2022, 47 eps (Ep. 191) (Guest)	47	(Ep. 191) Guest	8.5
2022	TMI NEWS SHOW Korean TV Show, 2022, 30 eps (Ep. 16) (Guest)	30	(Ep. 16) Guest	7.8
2021	Mama the Idol Korean TV Show, 2021, 8 eps (Ep. 1-2) (Guest)	8	(Ep. 1-2) Guest	8.0
2021	HIT Village: Lightsum Korean TV Show, 2021, 1 eps (Regular Member)	1	Regular Member	8.9
2021	Do You Lightsum Korean TV Show, 2021, 6 eps (Regular Member)	6	Regular Member	7.6
2021	Finding Nemo Korean TV Show, 2021, 2 eps (Regular Member)	2	Regular Member	8.3
2021	Bebe Dol Korean TV Show, 2021, 5 eps (Ep. 5) (Guest)	5	(Ep. 5) Guest	9.0
2021	Official Request Korean TV Show, 2021, 26 eps (Ep. 7, 25) (Guest)	26	(Ep. 7, 25) Guest	7.9
2021	Studio Moon Night Korean TV Show, 2021, 156 eps (Ep. 56, 107) (Guest)	156	(Ep. 56, 107) Guest	8.5
2021	Gossip Idle Korean TV Show, 2021, 75 eps (Ep. 20, 38, 69) (Guest)	75	(Ep. 20, 38, 69) Guest	8.2
2020	Idol League Season 3 Korean TV Show, 2020, 66 eps (Ep. 37, 53) (Guest)	66	(Ep. 37, 53) Guest	8.4
2019	Lunch Attack Korean TV Show, 2019, 570 eps (Ep. 565, 732) (Guest)	570	(Ep. 565, 732) Guest	6.0
2018	Produce 48 Korean TV Show, 2018, 12 eps [Contestant] (Regular Member)	12	[Contestant] Regular Member	7.8
2013	After School Club Korean TV Show, 2013, 671 eps (Ep. 477, 494) (Guest)	671	(Ep. 477, 494) Guest	7.8
2011	Weekly Idol Korean TV Show, 2011, 707 eps (Ep. 565, 634) (Guest)	707	(Ep. 565, 634) Guest	8.1
2004	M Countdown Korean TV Show, 2004, 950 eps [Performer] (Ep. 713, 730, 755) (Guest)	950	[Performer] (Ep. 713, 730, 755) Guest	8.2

Top 12 upcoming dramas on every fan's watchlist

Editorials - Sep 19, 2026

From highly anticipated adaptations to gripping thrillers, the upcoming drama lineup has something for every fan. With teasers already dropping, these 12 dramas are generating plenty of buzz even before their premieres. Here are the titles to keep on your