Entangled with the Yandere Mermaid

A CEO pays a fortune for a deep-sea mermaid, intending to use her blood to save the woman he has loved for years. Her shy devotion unsettles him at first, but soon he finds himself falling for her. When the jealous woman frames the mermaid and claims she once saved his life, he begins digging into the past. What will he do when he learns who his real savior was?