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!
He’s doing his best to keep his finned fiancée happy, but a rising flood of rival suitors and gilled gangsters has Nagasumi gasping for air! He’s definitely in over his head, but there’s no denying the mermaid’s allure – Nagasumi’s hooked now that Sun has come ashore!