Group 2AM and producer Bang Shi Hyuk revealed a picture taken together.

Yesterday, Bang Shi Hyuk posted on his Twitter, "With these kids for the first time in a while," along with a picture.

In the picture, 2AM and Bang Shi Hyuk are sitting in a table together with cups of coffee, having a good time.

Internet users who saw this commented, "The teacher atmosphere," and "It looks like he's their uncle."

Photo Credit: Bang Shi Hyuk Twitter