Kazuya Kamenashi is a Japanese singer, actor, host, producer and magazine model. Born and raised in Edogawa, Tokyo. He joined the Japanese talent agency, Johnny& Associates at the age of 12. Former member of KAT-TUN under Starto Entertainment. He was drafted as a member and co-lead vocalist of the popular J-pop group KAT-TUN in 2001. He is also one half of the temporary group, Shūji to Akira, whose only single "Seishun Amigo" became the best-selling single of 2005 in Japan.