Luna Sea is a Japanese rock band formed in 1986, known for their unique blend of alternative rock, progressive rock, and visual kei. The band consists of five members: Ryuichi (vocals), Sugizo (guitar and violin), Inoran (guitar), J (bass), and Shinya (drums). They gained popularity in the 1990s with their powerful music and theatrical performances. The band went on hiatus in 2000 but reunited in 2010, continuing to release new music and perform live. Luna Sea has influenced many artists in the Japanese music scene and remains a significant figure in the rock genre.