The series is based on the 4-panel manga by Hamazi Aki, serialized in Houbunsha's "Manga Time Kirara MAX." The story follows Goto Hitori, an extremely shy and introverted girl who unexpectedly joins a band called "Kessoku Band" and grows alongside three unique bandmates through their musical activities.
Animation production is handled by CloverWorks, with Keiichiro Saito directing, Erika Yoshida handling series composition and screenplay, Kerorira as character designer and chief animation director, and Tomoki Kikutani composing the music.
The cast includes Yoshino Aoyama as Goto Hitori, Sayumi Suzushiro as Ijichi Nijika, Saku Mizuno as Yamada Ryo, and Ikumi Hasegawa as Kita Ikuyo.
Official website: https://bocchi.rocks/
(C)Hamazi Aki/Houbunsha, Aniplex