Mizuki Haruno has been spending her days feeling down until her childhood friend Nozomi takes her to a live concert. What she sees there opens up an exciting new world, and she tells Nozomi she wants to play in a girls' band. Once Mizuki starts high school, her story begins: a rock-flavored tale of youth told through four girls in the music band at Hakumai High School, in a town in Hokkaido. Taiban! is a seven-episode music ONA from 2021.