Ballad group 2AM is making a comeback for the first time in seven years.

Previously, 2AM released individual teaser photos of Changmin and Jo Kwon followed by teaser photos of Seulong and Jinwoon, just as according to the teaser schedule released previously. 

Then on October 20 KST, the ballad group dropped more stunning group teaser photos, in which the four men exuded a mature vibe.

2AM's 'Ballad 21 F/W' will be released on November 1 at 6 PM KST, so check out the teaser photos above and below until more teasers are released.