JYJ (formerly known as Junsu/Yuchun/Jejung in Japan) is a South Korean pop group formed in 2010 by Jaejoong, Yoochun, and Junsu, the three former members of TVXQ. Their group name is taken from the first letters of each member's names. The trio are managed by C-JeS Entertainment.

Kim Jun-su (; born 15 December 1986) or simply Junsu, also known by the stage name Xia (stylized as XIA; ; ) is a South Korean singer-songwriter, dancer, and stage actor. He is a member of the Korean pop group JYJ, and was one of the original members of boy band TVXQ.

JYJ (formerly known as Junsu/Yuchun/Jejung in Japan) is a South Korean pop group formed in 2010 by Jaejoong, Yoochun, and Junsu, the three former members of TVXQ. Their group name is taken from the first letters of each member's names. The trio are managed by C-JeS Entertainment.

Kim Jun-su (; born 15 December 1986) or simply Junsu, also known by the stage name Xia (stylized as XIA; ; ) is a South Korean singer-songwriter, dancer, and stage actor. He is a member of the Korean pop group JYJ, and was one of the original members of boy band TVXQ.