The mysterious man in the 'Fxxk U' teaser video has been unveiled, and it's none other than actor Joo Ji Hoon.
On Jan 27, Apop Entertainment released some new still cuts of the actor from the MV.
According to Daily Kpop News, he showed off his cool and charismatic look, which has attracted much attention.
It is said that he and Ga In are close friends, so he decided to star in the MV to support her comeback.
Ga In's new mini album will be released on February 6.