Just B is gearing up for their official debut at the end of this month.

On June 21 at midnight KST, the rookie boy group unveiled the teaser images of JM. In the revealed individual concept photos, the idol member is seen gazing at the camera that could 'JUST BURN'.

Just B's debut mini-album 'JUST BURN' is set to release on June 30 at 6 PM KST. Are you excited about the launch of the new group?