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　　Haeryu,' a young man who can't live according to his will due to his sick mother, one day accidentally falls into the water from a bridge. In a precarious situation that makes him think of death, Haeryu is rescued by Gon, a mysterious man who appears with a school of fish. Haeryu sees the 'gills' beneath Gon's ears. After this incident, Haeryu begins searching for the man who h... (展开全部)