After the breakup of CRYCHIC, the band's members drift apart, carrying their regrets into different high schools. Anon Chihaya arrives at Haneoka Girls' Academy, aiming to start her own band amidst a school where music is a common hobby. She befriends Tomori Takamatsu, a former CRYCHIC member scarred by her past. Through Tomori, Anon encounters Taki Shiina and Soyo Nagasaki, who have mixed reactions to joining Anon's band. With Soyo's support, Anon is one step closer to realizing her dream, if only she can recruit a few more members.