Ikuya Magasa is a freshman in high school with no dreams or particular interests, and so he just lets the days pass by.

On their way home one day, his friend Kaze Amaba makes a shocking confession.

"Truth is, I'm a tengu."

Amaba had longed to live in the world of humans, and in order to remain there, he invites Ikuya to start a band.

From then on, Ikuya?s normal days started to become more and more abnormal?