Looking for information on the anime K-On!? Find out more with MyAnimeList, the world's most active online anime and manga community and database. A fresh high school year always means much to come, and one of those things is joining a club. Being in a dilemma about which club to join, Yui Hirasawa stumbles upon and applies for the Light Music Club, which she misinterprets to be about playing simple instruments, such as castanets. Unable to play an instrument, she decides to visit to ... K-on! (Keion! "けいおん!") is the anime adaption of Kakifly's manga of the same name, which was produced by Kyoto Animation and aired in Japan between 2009 and 2010 in two seasons. The anime became a world-wide success and allowed the franchise to gain much more depth by highlighting facts that the manga did or could not do. The anime also introduced real music, partly based on lyrics from the manga but mostly entirely new composition. The music from the anime contains several "Original... Enjoy videos and music, upload original content, and share it with friends on YouTube. K-On! (Japanese: けいおん!, Hepburn: Keion!)[a] is a Japanese four-panel manga series written and illustrated by Kakifly. It was serialized in Houbunsha 's Manga Time Kirara magazine between the May 2007 and October 2010 issues, and also serialized in Houbunsha's Manga Time Kirara Carat magazine. The manga relaunched from April 2011 to June 2012 with two separate storylines published in Manga Time Kirara and Manga Time Kirara Carat. The manga is licensed in North America by Yen Press. A ...