Samurai Deeper Kyo

at the dawn of the 17th century, at the end of the era of civil wars, in a world of chaos, the epic battle of sekigahara was joined. one man emerged from the largest battle ever fought on japanese soil; a terrible warrior of unspeakable power, he was nicknamed 'the unconquerable.' kyoshiro is a peaceful medicine peddler who harbors the soul of an assassin. he accompanies a young bounty hunter across japan in search of a murderer and on a quest to discover the terrible secret of his own identity.