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The scientist who flooded the world of the future and created a mutant species in the images of animals is looking to finish what he started, and the crew of Blue Submarine No. 6 must stop him at all costs. But first, they must try to recruit the best sub pilot that ever lived: Tetsu Hayami.
Once upon a time, there was an old crocodile who had lived long enough to see the building of the pyramids. Plagued with rheumatism, the old crocodile could no longer catch his food; and so he did the next best thing: he ate one of his relatives. After failing to kill him, the rest of the crocodile family called a meeting to discuss what to do next - but the old crocodile, in the midst of things, slipped away unnoticed. He then met a kind octopus who fetched him food and stayed as his companion; but unfortunately, the old crocodile could not fight his instincts, and slowly began to devour her legs - one each evening...