^^
Yeah, it's pretty amazing how popular it's become in Japan. Who would've thought it'd become this successful? It seems to have a struck a chord with a wide variety of people outside of the stereotypical male anime fan base.
Apparently, K-ON! is considered to be the most moe series by Japanese women in their twenties.
http://moeakiba.com/2011/10/26/k-on-...ies-women-20s/