うらおん!
The seven Blu-ray disc volumes of K-ON! have an extra short anime "Ura-ON!"
K-ON!!: Ura-On!!
K-ON!
Akiyama, Mio
main
Hikasa, Youko
VA (JP)
Hirasawa, Yui
Sheh, Stephanie
Kotobuki, Tsumugi
Diot, Marie
Nakano, Azusa
Moore, Candice
Tainaka, Ritsu
Morris, Cassandra Lee
Hirasawa, Ui
supporting
Combes, Caroline
