"Let's start a band!" Yukari is all fired up about playing the drums after hearing a certain teatime-loving band play at the Sakuragaoka High School Festival! She makes big plans with her best friend, Kaede, only to run into a wall: Her school doesn't have a Pop Music Club! But after the duo use their momentum to bring in a pair of quirky girls (a basketball player and a pop music "researcher"), nothing stands in their way! Except, that is, the fact that none of them own their instruments--or even know how to play them...