まんがタイム
"K-On!" began as a four-panel comic-strip manga written and illustrated by Kakifly. The manga was originally serialized in Houbunsha's "Manga Time Kirara" manga magazine between the May 2007 and October 2010 issues, ending on September 9, 2010. The manga also appeared as a guest bimonthly serialization in "Manga Time Kirara"s sister magazine "Manga Time Kirara Carat" starting with the October 2008 issue. The manga relaunched from April 2011 to June 2012 in two separate magazines. Chapters published in "Manga Times Kirara", from the May 2011 issue released on April 8, 2011, to the July 2012 issue released on June 9, 2012, focus on the main cast as they attend college. Chapters published in "Manga Time Kirara Carat", from the June 2011 issue released on April 28, 2011, to the August 2012 issue released on June 28, 2012, focus on Azusa, Ui, and Jun as they continue the light music club.