Mermaid Queen's Revenge My Father Became a Toad

After three years in seclusion, rightful pirate heir Vivian returns to find her mother caged and tortured by her traitorous father and his secret family. Betrayed and cast into Siren Trench, she awakens her mermaid powers, commands the Ghost Fleet, and returns to reclaim the Seven Seas—and make every usurper pay.