Thwart the strong and help the weak. A boy who lives up to the motto "a righteous delinquent" transfers to Nekketsu High School. His name is Kunio. On his first day at school, Kunio puts on the legendary "White Uniform," which has been handed down at Nekketsu High School for generations as a symbol of the top delinquents in Japan, and he becomes the target of gang leaders from all over the country.