F(x)’s Krystal recently uploaded a video of f(x)’s 4 walls exhibition on her Instagram account! The video says ‘Happy Birthday, Krystal.’ Looks like f(x)’s comeback will arrive very soon!
F(x) 4 walls is a exhibition hosted by SM Entertainment. The exhibit displays the teaser photos and videos of f(x)’s new comeback. For more information, check out their website http://fx.smtown.com/Intro/Exhibit/L!
Looks like f(x) might be going with the retro style!