2 Season
36 Episode
K-ON! - Season 0 Episode 4 URA-ON! - Mio's Panties (2010)
A two-minute long special that consists of three short clips about Mio's panties.
- Country : Japan
- Genre : Animation, Comedy
- Studio : TBS
- Director :
- Cast : Aki Toyosaki, Yoko Hikasa, Minako Kotobuki, Satomi Sato, Ayana Taketatsu, Chika Fujitou