Cast
Extra short anime "Ura-On!!" included in the limited edition of the K-ON!! Blu-ray.
Akiyama, Mio
Hirasawa, Yui
Kotobuki, Tsumugi
Nakano, Azusa
Tainaka, Ritsu
Yamanaka, Sawako
Hirasawa, Ui
Manabe, Nodoka
Suzuki, Jun
16 March 2011