Promoting GAP's 'Let's Gap Together' campaign, here's f(x)'s Krystal who partnered up with the singer named JJ Lin.
How did their pictorial go? Check out their making film below to find out~
Release Date: February 28, 2017
Release Date: January 17, 2017
Release Date: June 28, 2016
Release Date: December 10, 2016