Desc: Sango-shô densetsu: Aoi umi no Erufî: Directed by Yoshio Kuroda. With Sumi Shimamoto, Michiru Jo, Mizuho Suzuki, Kenji Utsumi. In the future, a devastated earth face war coming from the oceans, when a race of mermaid mutants are ready to do everything to stop water pollution before it's too late.