ヴァリル (varyl) originally began activities as a session band on January 14, 2014. They debuted as an official band on July 27 at Ikebukuro EDGE, releasing their first one-coin single, Shinen no Hate. They are based on the concept, Vanitas, Release, Lament, which symbolizes the feeling and release of emotions. The band disbanded after their oneman live at Takadanobaba AREA on January 8, 2016.