KAT-TUN is a popular Japanese boy band formed in 2001 under Johnny & Associates. The group originally consisted of six members: Kazuya Kamenashi, Jin Akanishi, Junnosuke Taguchi, Koki Tanaka, Tatsuya Ueda, and Yuichi Nakamaru. They gained fame for their unique blend of pop, rock, and R&B music, as well as their dynamic performances. In 2006, KAT-TUN made their major debut with the single "Real Face," which topped the charts in Japan. Over the years, the group has released numerous albums and singles, earning multiple awards and a dedicated fanbase. Despite changes in membership, KAT-TUN continues to be influential in the Japanese music scene.