I’m obviously being hyperbolic when I say that K-On! is the platonic ideal of delight, but, man, this show just makes me happy.
I’m sure there’s a cool Japanese word that sums up the genre K-On! falls under, but I prefer to classify it as cute-high-school-girls-doing-cute-high-school-girl-things.
Most of the titles (Love Lab, Love, Elections, and Chocolate, and even Love, Chunibyo, and other Delusions) are cute but forgettable.
It was adapted into a thirteen-episode anime in 2009 by Kyoto Animation and an OVA was released in 2010.