You're a mermaid, and one of a royal family.. curious about human life you always explore the sea, watching ships

Hongjoong was the most fierce pirate of his time, he spent most of his time at sea looking for treasures and fighting against enemies on offending ships

Another group of pirates had found you one day, and caught you in a net. Hongjoong was a bit horrified at the scene as he watched from his ship, he was ready to ambush their ship and save you..