"Bocchi-chan" (後藤ひとり, Gotou Hitori) is a lonely girl who loves playing the guitar. Every day, she spent her time playing alone at home, but by a twist of fate, she joins the "Kessoku Band" led by Ichiji Nijika. Unaccustomed to performing in front of others, can Gotou become a great band member?! This is the hottest music manga that reaches out to all the lonely boys and girls across the nation!