An admirer of strong people with a complete disinterest in the weak, Haruka Sakura, a loner and delinquent high school student, aims to be a fighter at the top of Furin High School. Coming from outside the city, Sakura enrolls in Furin High School, infamous for its delinquents.

It is the morning of the school entrance ceremony, and Furin High School has transformed into a group that protects the town now known as the "Chime of the Wind Breaker" — Bofurin.