Group 2AM's member Changmin revealed a picture taken at the gym.

Today, Changmin posted on his Twitter, "Best workouts are in the morning (?)... dawn(?)... Anyways, it's good to do it early" along with a picture.

In the picture, Changmin was taking a picture of himself in the mirror at the gym. He was wearing black top and bottom and his buff shoulders were evident. Member Im Seulong even commented on the picture saying, "You're so diligent."

Internet users who saw this commented, "When are you making your comeback?", "Muscle idol", etc.

Photo Credit: Changmin Twitter