Boy band FIX has a special Christmas treat for their fans. The boy group is famous for being close friends with Super Junior's Eunhyuk, who made a feature in their MV scheduled to be released next month. Ahead of their MV release, FIX has released a special video featuring member Jung Wook. Jung Wook sings the track "Heart" from the KBS drama 'Ojakyo Brothers live' OST, and the video clip also displays Jung Wook singing the track along with various scenes from the drama featuring After School's UEE. Check it out below!