As the 17th century began and the era of civil wars drew to a close, the world was in disarray and the epic Battle of Sekigahara ensued. Amidst the chaos, a fearsome warrior of unmatched strength emerged victorious, earning the title of 'the unconquerable.'
Kyoshiro may appear to be a tranquil merchant of medicinal goods, but he carries within him the spirit of a killer. Together with a young bounty hunter, he treks across Japan in pursuit of a murderer while unraveling the mystery surrounding his own enigmatic past.
