K-On!  

Keion, けいおん!

A young girl named Hirasawa Yui is drawn to a poster advertising the Light Music Club when she enters high school. Despite not knowing how to play an instrument, she signs up due to her carefree nature. However, upon arriving at the clubroom, Yui's lack of musical knowledge causes concern among the other members: Ritsu, Mio and Tsumugi. Although they are disappointed that Yui cannot play, they try to convince her to stay in order to prevent the clubs disbandment. To help Yui learn the guitar, the club members offer their assistance, leading to many mishaps along the way. With the school festival approaching and Yui struggling with practice, the Light Music Club's debut is uncertain.

K-On! was published in English by Yen Press from November 30, 2010 to December 13, 2011 and in ebook format on February 18, 2014. It was also published in Polish by Studio JG from April 24, 2015 to February 26, 2016.