When Dawn Comes

Qian Qin (the male protagonist), who fell into the deep sea when he was young, was rescued by the mermaid Luohua (the female protagonist) and has believed in the existence of mermaids ever since. Ten years later, Luohua turned into a human being. By chance, the two met and began living together. However, one day later, Luo Hua turned back into a mermaid to save Qian Qin.