GReeeeN is a Japanese pop rock and vocal group formed in 2002, known for their upbeat, catchy songs and positive lyrics. The group consists of four members—HIDE, navi, 92, and SOH—all of whom are licensed dentists. GReeeeN is unique for maintaining strict anonymity, never revealing their faces publicly to protect their dental careers. Their breakthrough came in 2007 with the hit single "Ai Uta", followed by other major hits like "Kiseki", which became one of the best-selling digital singles in Japan. Their music blends J-pop, rock, and hip-hop elements, and they are known for energetic melodies and heartfelt themes. Despite rarely appearing in public, they enjoy massive popularity i