Yoshiyuki Okamura, also known as Buronson or Sho Fumimura, is a Japanese manga writer most known by his famous work Hokuto no Ken. Buronson's manga often feature mature content, drama and violence - mainly influenced by movies such as Mad Max and those of Bruce Lee. Many of his stories tackle thought-provoking underground politics and ill-mannered protagonists.

Mafias are known to have an array of weapons, scary and tough gangs, and a mafia boss that they respect. But each mafia group has their own story and life. You better not mess with mafia groups, or else you'll be dead meat!

They are known to have fought against other students in other schools, they always have scars and bruises on them every day, and they are the most feared in school. They are known to be delinquents, juvenile troublemakers that like to fight people that get in their way and don't take school seriously. They have their own reasons and goals to fight. Whatever those goals are, they want to fulfill it with their fists.