He is an unparalleled demon king who is born with no heart and heart, and only wants to rule the three realms; she is a useless moon goddess with a broken body, and the creatures in the three realms have nothing to do with her. He coaxed her with sweet words, just to get her pure and good Tears of the Moon God and unlock the supreme divine power. She knew that sweet words were his disguise, but she was willing to offer her sincerity just to make his wish come true.
Concept: mythical love