月之海
is a Japanese singer, songwriter, record producer, actor and author. He is best known as lead singer of the rock band Luna Sea since 1989. He started a solo career in 1997, three years before Luna Sea disbanded in 2000. In 2005, Kawamura formed Tourbillon with fellow Luna Sea member Inoran and Hiroaki Hayama. He rejoined Luna Sea when they reunited in August 2010.