Severely (song)

It was released on January 31, 2012, under FNC Music and serves as the lead single of the band's fourth mini-album Grown-Up.

A rock ballad, the song was written by Han Seong-ho, and composed by Kim Do-hun and Lee Sang-ho.

Island three consecutive wins—dubbed a "Triple Crown"—on JTBC's music television program Music on Top, in addition to two wins on Mnet's M Countdown and one win on Seoul Broadcasting System's (SBS) Inkigayo.

The full music video was released on January 31, 2012, which starred lead vocalist Lee Hong-gi and AOA member Kim Seol-hyun, a trainee of FNC Music at the time, as his love interest.

[4][5] The music video begins with Lee in a church where he mourns the death of his love interest.

After exiting the building, he returns to the past and is given a second chance at saving the woman's life at the cost of his own.

Island initiated promotions for Grown-Up by performing "Severely" and "We Hope to Become Lovers" on Mnet's music television program M!