Topp Dogg have revealed their teaser image for A-Tom!

SEE ALSO: Topp Dogg 'Open the Door' to their comeback with Hansol's teaser image

The group signaled their comeback with Hansol's teaser yesterday, letting fans know they'll be returning with their second mini-album 'Open the Door'. A-Tom's teaser is marked with "gemini," but we have yet to know what the zodiac theme is all about. 

Stay tuned for more details about this release! In the meantime, Topp Dogg are currently preparing for their fan meeting taking place on January 15.