Please Grant Me Peace of Mind

(No cp, short story, God loves the world) Meng Wuyou was originally a junior highness of the Holy Water Mermaid Tribe, but due to the greed of the world, the originally carefree mermaid ancestral land was attacked. Just when all the holy water mermaid ancestors were offering sacrifices, Meng Wuyou single-handedly saved the lives of the entire clan, but he could never return to his hometown.