Leo was the greatest swordsman of his generation. Yet, he failed to save the lives of his sibling and loved ones in his life because of his lackluster magic ability and having bad luck resulting in him being born into a family of magic swordsmen. There's nothing Leo wanted more in life than to prove to his family and the world that it was possible to become the greatest swordsman without magic. Will Leo be able to surpass his own limits multiple times, protects his loved ones, become the patriarch of his family, and become the greatest swordmaster with his almost non-existent magical power?