Actor Kim Soo Ro revealed his friendship with singer IU.

Today, Kim Soo Ro posted on his Twitter, "With IU~ Yesterday!" along with a picture.

In the picture, Kim Soo Ro is posing with IU, smiling at the camera. Gwon Oh Joong in the corner of the picture is also shown, arousing laughter.

Internet users who saw this commented, "I was wondering who that was" and "Gwon Oh Joong is added too."

Photo Credit: Kim Soo Ro Twitter