KnK

KNK (크나큰; Keunakeun, lit. "great" or "to be great") is a three-member South Korean boygroup under 220 Entertainment. It also stands for K-pop kNocK; "to knock on the door of the K-pop industry with their music". Formed by Inseong, Jihun, Heejun and Dongwon, they released their debut single album KNOCK on March 3, 2016. Original member Youjin left due health issues in 2018.
Dongwon joined the group on December 19, 2018 after KNK terminated their contracts with YNB Entertainment and moved to 220.