Fūma no KojirōFūma no Kojirō.

Fūma no Kojirō (風魔の小次郎; 'Kojiro of the Fuma Clan') is a Japanese manga series written and illustrated by Masami Kurumada. It was published in Weekly Shōnen Jump from January 1982 to November 1983. It tells the story of sword legends and rivalry between ninja clans.