MASC Korean 마스크 Short For Masculine Was An Eight Member South Korean Boy Group Formed By JJ Holic Media In 2016. They Debuted On August 19 2016 With Strange. On October 18 2020 The Group Announced Their Disbandment Through A YouTube Video. In February 2023 Members Heejae And Ireah Formed A Duo Named SeVENUS They Signed To PCS Entertainment.