KKD Members Profile KKD (국가단) is a pre-debut 10-member project boy group under n.CH Entertainment. The group consists of Bak Changgeun, Park Janghyun, Ko Eunsung, Lee Solomon, Kim Donghyun, Son Jinwook, Jo Yeonho, Kim Youngheum, Lee Byeongchan and Kim Heeseok. The group was formed through TV Chosun’s competitive reality show, Kookmin Singer, they will make … Continue reading KKD Members Profile