YANDERE!KING! x MERMAID!READER Y/n was a lone mermaid who wondered the seas alone. She always passed by ships full of humans and stay and watched them, she does envy humans but she's perfectly content with the life she has. She knows that she should be careful around them because from what she's heard they're selfish and greedy to the core. Mermaid blood can heal from the smallest wounds, to someone who is at deaths door. One night she gets caught in a fishing net and meets a king that becomes obsessed with her.