GReeeeN is a Japanese pop-rock band formed in 2002. The band consists of four members: Hide, Navi, 92, and Soh. They are known for their catchy melodies, upbeat lyrics, and energetic live performances. GReeeeN has released numerous hit songs, including "Kiseki," "Ai Uta," and "Haruka." They have also collaborated with various artists, such as AKB48, Arashi, and SMAP.