Kazuya Kamenashi (?? ??, Kamenashi Kazuya, born February 23, 1986) is a Japanese idol, singer–songwriter, actor, television personality, producer, radio host, and occasional model.
Born and raised in Edogawa, Tokyo, he joined the Japanese talent agency, Johnny & Associates, at the age of 12.
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, Shuji to Akira, whose only single "Seishun Amigo" became the best-selling single of 2005 in Japan.
Individually, he is a popular actor who has played the lead role in several television dramas.