May 28, 2012 10:48 AM EDT
Kim Bum Soo Posts on Twitter "With My Favorite Vocalist Park Ji Min" / Credit: Twitter
On May 27, Kim Bum Soo posted on his Twitter "My favorite vocalist in the universe Ji Min came to my concert. I'm so happy!", along with a photo.
In the photo Kim Bum Soo and Park Ji Min are standing in front of the camera with their fingers raised into a 'V' sign. The two are smiling gently and posing friendly.
Those who saw the photo commented "Park Ji Min got cuter", "Kim Bum Soo looks so proud", and "I like Ji Min the best too.”
Photo: Kim Bum Soo Twitter