けいおん! [K-On!]

A lighthearted four-issue comic series from Houbunsha, K-On! (2008–2013) follows the daily lives of a high school light music club as its members bond over tea, snacks, and casual rehearsals. Best known for its warm, slice-of-life storytelling and charming character dynamics, the series helped popularize the "cute girls doing cute things" genre in manga. Its modest run belies a lasting cultural impact, with the original work by Kakifly inspiring a beloved anime adaptation.