BLK Members Profile 2018: BLK Facts BLK (비엘케이) is a 7-member acrobatic boy group under BYKING Entertainment. BLK is an acronym for Beyond, Limit, Key. The group consists of D.A, Taebin, Sorim, Ilkyung, Inno, I, and MingMing. BLK officially debuted on November 28, 2017. According to Taebin’s fan cafe post from September 17, 2018, BLK sadly disbanded. BLK Fandom … Continue reading BLK Members Profile