Onimaru 100

A samurai lord sacrificed his everything for the demons in exchange for dominance on the battlefield. Yet, he abandoned his child for that's what the demon wants and the infant is born without organs but only have bones and still alive. Thanks to a man who help him with primitive prosthetics he goes on a journey to reclaim his organs one at a time by killing demons. On his journey he met a young child who claims to be the world's greatest thief.