Fish Don't Cry

Sangreal is a pistrix, a deep-sea fish whose species, for protection and dexterity, has taken on some anthropomorphic characteristics. It's evolutionary convergence! Sangreal lives with his grandmother in a place semi-inaccessible to humanity, but one day his life changes... thanks to a sea warlock, he can occasionally transform into a human being. And that's how he meets a very, very special marine biologist...