Boy group 2AM's member Seulong revealed a picture taken with younger members of JYP Entertainment, 2AM's Jinwoon, 15&'s Baek Yerin, and Sunmi.

On September 4, Seulong posted on his Instagram, "Yerin. Jinwoon, Sunmi. The little kid line" along with a picture.

In the picture, the three were making a V at the camera. Jinwoon was showing off his fashion style in destroyed jeans and a black sweater, Sunmi a button-up with skinny jeans, and Baek Yerin shorts that revealed her skinny legs.

Internet users who saw this commented, "Then are you the dad?," "Youth is good," etc.