Kim Jong-in, better known by his stage name Kai (Korean: 카이), is a South Korean singer, model, actor, and dancer. He is a member of the South Korean-Chinese boy group Exo, its sub unit Exo-K, and South Korean supergroup SuperM. He debuted as a soloist on November 30, 2020 with his first extended play (EP) Kai. Apart from his musical career, Kai has also starred in various television dramas such as Choco Bank (2016), Andante (2017), and Spring Has Come (2018). He is widely considered to be one of the best dancers of South Korea and K-pop, and is among the most influential Korean fashion icons.

Exo is a South Korean boy band based in Seoul formed by SM Entertainment in 2011 and debuted in 2012. The group consists of nine members: Xiumin, Suho, Lay, Baekhyun, Chen, Chanyeol, D.O., Kai and Sehun. They are noted for releasing music and performing extensively in Korean, Mandarin and Japanese.