F.T. Island, is a South Korean rock band formed by FNC Entertainment in 2007. The band currently consists of main vocalist Lee Hong-gi, bassist Lee Jae-jin, and drummer Choi Min-hwan. Guitarist Oh Won-bin left the band in 2009 and was replaced by Song Seung-hyun. Former leader Choi Jong-hoon left the band and retired from the entertainment industry on March 14, 2019, while Seung-hyun left the group on December 31, 2019, to pursue his acting career.
F.T. Island debuted on the music television program M Countdown on June 7, 2007, with the single "Love Sick". Their debut studio album, Cheerful Sensibility, was the sixth best-selling of the year and "Love Sick" topped the K-pop charts for eight consecutive weeks. Later that year, the band won the Best New Male Group at the Mnet Asian Music Awards and the Popularity and Rookie of the Year awards at the Golden Disk Awards.
F.T. Island made their Japanese debut on June 8, 2008, with the extended play Prologue of F.T. Island: Soyogi.