My Bride is a Mermaid(2007)

series - first aired/released 2007-04-01 - audience 6.5

Comedy, Animation, Sci-Fi & Fantasy

Nagasumi's in hot water after a beautiful, young mermaid named Sun saves him from drowning. The deep-sea sweetheart's dad is a merman yakuza prone to executing anyone who learns his family's scaly secret! Luckily, there's a catch - if Nagasumi agrees to marry Sun, he just might avoid sleeping with the fishes!