Ji Yu

Name: Ji Yu
Native name: 지유
Also Known as: Seo Ji Yoo, Seo Jiyoo, Seo Jiyu, 서지유, 徐知裕
Nationality: South Korean
Gender: Female
Born: May 14, 2006
Age: 19

Ji Yu is a South Korean singer, dancer, and member of KIIIKIII (키키). She dropped out of Busan Foreign Language High School to pursue her dream of becoming an idol.

She made her debut in March 2025 as the group's leader, vocalist, rapper and dancer with their first EP, "Uncut Gem". They were revealed by Starship Entertainment (스타쉽엔터테인먼트) one month earlier in a surprise launch of their social media accounts. A few weeks after debuting, they won their first music broadcast trophy on "Show! Music Core".

(Source: kisskh) Edit Biography

Year	Title	#	Role	Rating
2025	The Game Caterers x Starship Korean TV Show, 2025, 3 eps (Regular Member)	3	Regular Member	8.1
2025	2025 Idol Star Athletics Championships Korean TV Show, 2025, 3 eps (Regular Member)	3	Regular Member	7.6
2025	Workdol Season 4 Korean TV Show, 2025, 15 eps (Ep. 14) (Guest)	15	(Ep. 14) Guest	0.0
2011	Weekly Idol Korean TV Show, 2011, 707 eps (Ep. 705) (Guest)	707	(Ep. 705) Guest	8.1
2011	Immortal Songs: Singing the Legend Korean TV Show, 2011, 750 eps (Ep. 711) (Guest)	750	(Ep. 711) Guest	8.2
2005	Show! Music Core Korean TV Show, 2005, 1000 eps [Performer] (Guest)	1000	[Performer] Guest	8.0
2004	M Countdown Korean TV Show, 2004, 950 eps [Special MC] (Ep. 884) (Guest)	950	[Special MC] (Ep. 884) Guest	8.2
1998	Music Bank Korean TV Show, 1998, 1240 eps [Performer] (Guest)	1240	[Performer] Guest	7.8
1991	Inkigayo Korean TV Show, 1991, 1240 eps [Performer] (Guest)	1240	[Performer] Guest	8.0