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After wandering through the desert for days, a bitter warrior named Munsu is lost and unable to continue. His life is unexpectedly saved by Mon-ryon, a young man who dreams of becoming a secret agent for Jushin, a once-great country that was recently destroyed. It is Mon-ryon's goal to save his girlfriend, Chunhyan, a born fighter who is held captive by the evil Lord Byonand.Then, from out of nowhere, blood begins trickling from Mon-ryon's chest. He has been fatally wounded by the Sarinjas, a cannibalistic breed of desert goblins. The quick-thinking Munsu convinces these beasts to spare his life, in exchange for the peaceful handover of Mon-ryon's appetising corpse.

Manji is a crass, violent samurai with a special ability: he cannot die. Cursed with immortality by the nun Yobikuni as punishment for his ruthless deeds, he has grown weary of his ageless life. The only way to lift the curse is to slay 1,000 evil men. So Manji wanders Japan, shedding the blood of the wicked on his quest to finally die.