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After completing his journey of self-discovery through Osaka and Kyushu, Ryū Shimaoka (played by Yasukaze Motomiya) returns to his hometown of Awaji as a fully-fledged yakuza. With the backing of Hosono, a senior member of the Yamagami-gumi, Shimaoka and his youthful comrades form the Kyōkotsukai and align themselves with the powerful Okada-gumi, which controls the island. As Shimaoka rises rapidly through the ranks, tensions flare when the rival Kurosaki-gumi brings in a dangerous outsider from Kobe, shattering the fragile peace that once divided the island. This is the gripping story of a man born and raised in Awaji, who walks the path of the yakuza to protect his home, and the turbulent life he leads!

Iljimae's parents were killed due to a conspiracy when he was young. Many years later he became a chivalrous robber, robbing corrupt officials and helping the poor. He eventually manages in taking revenge for his parents' deaths. But the police start to chase him, and he hides himself at a gisaeng's house. The gisaeng was his ex-fiancee. She also lost her parents to a conspiracy. She begs Iljimae to stay with her, but he leaves to do what he has to.

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.

In July, Showa 33 (1958), Seiji Moriya finally succeeded in rebuilding the Great Japan Kokusui Organization. With the banner of “Anti-Communism and Patriotism,” he threw himself into various nationalist movements. At the same time, Moriya stood at the forefront of the yakuza world—stepping in to mediate a full-blown conflict between two powerful syndicates, the Tsuruhashi-gumi and the Kyokugo Yozakura Family. The legendary “One-Eyed Dragon” once feared by all—this is the story of his unwavering conviction.