Once, there was a lone yakuza feared as the “One-Eyed Dragon.” His name was Seiji Moriya (Yasukaze Motomiya)—the man who would later become the first chairman of the Great Japan Kokusui Organization. This is the story of a young Moriya, still just a street thug, who lost his left eye yet never lost his will. Through encounters with mentors, family, and comrades who shared his ideals, he rose like a dragon through the turbulent world of the yakuza—staking everything on his conviction to revive the spirit of the Great Japan Kokusui Organization.