Shura no Toki – Age of Chaos

Mutsuen Meiryū Gaiden: Shura no Toki (陸奥圓明流外伝 修羅の刻) is an anime about the Mutsu family, a family of martial arts masters who practice the Mutsu Enmei style, an unarmed combat system designed to fight against multiple opponents, as well as armed opponents. It contains three story arcs, the first revolving around Yakamo Mutsu, and the second two revolving around the next two generations of his descendents, also practitioners of the Mutsu Enmei style. Based on the manga Shura no Toki [Time of Shura] published by Koudansha, 12 volumes total.