ARGON Members Profile: ARGON Facts ARGON (아르곤) is a 6 member South Korean boy band under MSH Entertainment. They debuted on March 11th 2019 with the single “Master Key”. The group currently consists of Kain, Haneul, Roel, Yeoun, Gon and Jaeun. It is speculated that ARGON has quietly disbanded due to Jaeun’s Instagram post with a picture of ARGON and the … Continue reading ARGON Members Profile and Facts