KNK is a South Korean boy band founded in 2016 by YNB Entertainment. The group consists of four talented members: Jihun, Inseong, Heejun, and Dongwon. KNK stands for "K-pop kNocK," and they are known for their powerful vocals, impressive choreographies, and charismatic stage presence. Members Yuojin, Seoham, and Heejun left the group one after another.

With hits like "Back Again," "Rain," and "Sunset," they have made a name for themselves in the K-Pop scene. KNK has a loyal fanbase known as Tinkerbells, who support the group at every step of their career. The members of KNK are not only talented singers and dancers but also versatile artists involved in the production of their music and concepts.

Over the years, the group has explored various music genres and continuously evolved to offer their fans diverse and captivating music.