The Red Swordsman: Shattered Fragment

Comrades. Beaters. Friends. Misfits. Family. Even with these names in common, the two of them could hardly be more different in the end. One brought hope to those he met. The other, despair and horror. While the Black Swordsman was the reluctant hero, his brother went on to embrace the role of 'destroyer' with terrible eagerness. This is his story. (Disclaimers on Sword Art Online)