f(x) Amber's new boo? That's got to be Kevin from U-KISS.
Here's their selfie where she playfully expressed, "Hey Eric, i dont need you. I got a new boo now. #asc #kevber"~
Release Date: June 28, 2016
Release Date: July 5, 2016
Release Date: May 17, 2016
Buy SNSD's 'Phantasia in Japan' DVD/Blu-ray