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It is believed that to consume the flesh of a mermaid, means that you will never show signs of age, and live forever. However, many cannot handle its taste and become demons for eternity. Towa is a woman whose thirst for this flesh consumes her, as she was made only partially immortal by drinking the blood of a mermaid years ago. Unable to cast her demons aside, she destroys everything in her path on a search for this legend.