FTISLAND is a South Korean rock band formed in 2007 under FNC Entertainment. The group originally debuted with five members: Hongki, Jaejin, Seunghyun, Minhwan, and Wonbin. They are known for their catchy melodies and energetic performances, blending rock with pop elements. The band's name stands for "Five Treasure Island," symbolizing the five members as treasures. FTISLAND gained popularity with hits like "Love Sick" and "I Hope," and they have released multiple albums in both Korean and Japanese. Over the years, they have built a dedicated fanbase and contributed significantly to the Korean rock scene.