Or Starzinger, Saiyuki, The Monkey... there's a zillion anime adaptations (or rather, vaguely inspired stories). It's kinda like Pinocchio, which you may find

Or Starzinger, Saiyuki, The Monkey... there's a zillion anime adaptations (or rather, vaguely inspired stories). It's kinda like Pinocchio, which you may find in Ergo Proxy or a thousand other stories.