A rock band formed by Yusuke Oya and Yuzuru Kashiwabara (Fishmans / So Many Tears). Since debuting with the mini album "Polaris" in 2001, they have released five albums. They had performed on various music festivals, including FUJI ROCK FESTIVAL and generally well evaluated as a live band. Oya Yusuke's floating vocals, post rock and reggae / dub elements and Polaris' unique sound gained a lot of fans from all over the world. In 2018, they released the sixth LP "Tentai" and released "Hikari" EP on December 3, 2019.