AB6IX is gearing up for the May comeback. 

On May 2 at midnight KST, AB6IX dropped the first set of concept photos for their upcoming 5th mini-album 'A to B'. In this set of teasers, members show off their mature and manly charisma. 

Meanwhile, 'A to B' comeback will mark the group's first comeback in approximately 4 months, since the release of their special album 'Complete With You' in January.

AB6IX will be back on May 18 at 6 PM KST with 'A to B'.