MASC Members Profile: MASC Facts MASC currently consists of 3 members: Woosoo, Heejae, and LEE:ON. The group name ‘MASC’ is the abbreviation for “Masculine”, which means manliness. MASC debuted on August 18, 2016 under JJ Holic Media (which meanwhile changed its name to J Planet Entertainment). On October 18, 2020 it has been announced that MASC unfortunately … Continue reading MASC Members Profile