Rock band FT Island kicks off their first anticipated live performance of their comeback track "Severely" on this week's episode of Mnet's M! Countdown.

Empowered by soothing electric guitar riffs, drums and Hong Ki’s powerful vocals, FT Island put up a passionate performance for their new dramatic sound. As seen in the music video, the track tells the story of a man who's about to lose his girlfriend in a horrible accident yet tries as hard as he can to keep her from dying.

FT Island's 4th mini album "Grown-Up", which was released on January 31st, is composed of five songs including title track "Severely", "Losing a Friend", "I'm a Foolish Person", "Grown Man" and "We Hope to Become Lovers".

Watch the group's amazing performance below: