When four great vocalists come together, words are not needed to introduce them anymore!
Here's f(x)'s Luna who posed for lovely group picture with APink's Eunji, Ailee, and Mamamoo's Solar~
Release Date: June 28, 2016
Release Date: July 5, 2016
Release Date: May 17, 2016
Buy SNSD's 'Phantasia in Japan' DVD/Blu-ray