Actor Hong Suk Chun revealed his friendship with girl group SECRET.

Today, Hong Suk Chun posted on his Twitter, "Another girl group that participated with the dream team. SECRET that I really like" along with a picture.

In the picture, Hong Suk Chun is smiling with SECRET members. SECRET members are wearing matching uniforms, making cute facial expressions at the camera.

Internet users who saw this commented, "Wow, SECRET is coming out in 'Dream Team'?," "Which celebrity is Hong Suk Chun not close to?," and "SECRET is so cute."

SECRET came back with their new song "Yoohoo" today.

Photo Credit: Hong Suk Chun Twitter