Additionally, many extras, bonus shorts, and even a feature length film, which premiered in 2011, were produced. Kyoto Animation produced the anime adaptation, which aired from 2009 to 2010 over two seasons of 12 and 24 episodes respectively. It was serialized from 2007 to 2012 and there are six volumes to the manga in total. K-ON! (けいおん!, literally 'Light Music') is a Japanese slice of life and comedy four-panel comic strip manga written and illustrated by Kakifly.