The world has become a place where people can easily fly thanks to the invention of anti-gravity shoes, known as "grash".
Kurashina Asuka, a new student at Kunahama Gakuin, meets her classmates Tobisawa Misaki and Hinata Masaya, learns about a new sky sport called "Flying Circus" (FC) that uses "grash", and she is strongly attracted to it.
Asuka joins the school's FC club, and although she sometimes clashes with her teammates, they encourage each other while they pursue their own goals, and they stand up to powerful rivals.
--Their aim is to compete in the summer tournament.