The legend says that if a person is eating the meat of mermaids, he will be given eternal life. But is it a blessing or curse? Immortal lovers Utah and Man travel in Japan, and the century is eager for a normal life. In his journey, they meet others who ate flesh mermaids in the hope of becoming immortal. But the powerful substance affects each person in different ways. Utah and mana-two lucky ones. Another destined to die or turn into a wild monster, "Lost Soul". Mermaid Saga contains three of the terrible fairy tales of Mermaid Takahashi, Mermaid Never Smiles, The Village of The Fighting Fish and Mermaid Forest. Each of them revolves around Utah, which wanders hundreds of years, looking for a mermaid to heal him from immortality.