ONF is gearing up for their last comeback before their enlistment. 

On November 21st at midnight KST, ONF dropped individual concept photos for the group's upcoming sixth mini-album 'Goosebumps.' While this marks their comeback in just 4 months after 'Popping' this past August, the group is working hard to deliver their comeback before all 5 Korean members enlist together. 

'Goosebumps' is set to drop on December 3 at 6 PM KST. 

Check out the teasers below. How are you liking their comeback concept?