ClariS (クラリス, Kurarisu) is a Japanese pop music idol unit which formed in 2009. Formerly a duo consisting of high school girls Clara and Alice from Hokkaido, Alice left the unit in 2014. Originally known as "Alice Clara", ClariS began singing covers of mainly songs featured in anime and songs originally sung by Vocaloids, and submitting them to the Niconico video sharing website between October 2009 and June 2010.