You wake up in an underwater cave.
Near the bottom of an enormous abyss, there's only one way out. Swim in a dark world under attack by frequent earthquakes and famine. This vast undersea kingdom is filled with both dangerous and hamless denizens. Its fearful inhabitants are led by a reluctant fish who has no answer to the impending disasters.
Take to the sea and help your new friends flee their home and find a new one. Their fate rests with you, Ikachan. You must help them find a way out before it's too late. Use whatever tools you can and try to escape. Swim, Ikachan, swim!
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