Jippu Jippu Byuun!

Taken from In The Water: Naho Yoshihara just wants to be an ordinary first year, but Kouki, her brother, won't stop pressuring her to join his band, ZIP! At a young age, her brother had convinced Naho that she had super human guitar playing powers, but now she's no longer convinced. How will her brother and his bandmates trick Naho into playing with them at their school's festival?