This story is about Souichiro Nagi and his friend Bob Makihara to become the best street fighter. On first day of high school at Toudou Academy they tried to rule the school by beating up everybody, just like they did in their old school, but they soon realizes that this school was full of students who are skilled in the various arts of combat with some students possessing supernatural abilities and superhuman strength based on the abilities to use their "spirit" or "ki".
