Things are finally starting to get serious for Hitori “Bocchi” Gotoh as Kessoku Band sets its sights on participating in Unidentified Riot, a teen music festival! The winner will get fame, connections, and a whole lotta cash-generous prizes that will attract fierce competition. Now’s the time for the girls to band together and get their name out, but when faced with new venues and unfamiliar faces, will Bocchi be able to settle her nerves long enough to come out on top?


個性陰沉的後藤一里想參加名為「未確認狂歡」的音樂祭典，於是與團結Band團員們一同展開正式的音樂活動！寫歌、街頭表演、拍攝MV、甚至到陌生的展演廳表演……為了獲得大獎，每位成員都卯足全力接受挑戰。集結心血的錄音檔送至最初審查，結果將是……眾所期望的第三集！