Wan Zhi and Zhao Mi were originally immortals who were supposed to ascend to the gods, but due to the war between immortals and demons, they chose to die together with the Demon Emperor in order to protect the immortal world. But Zhaomi chose to die alone at a critical moment.
The Emperor of Heaven was grateful for Zhaomi's righteousness and condensed his spiritual consciousness in the three realms. Wan Zhi asked the Emperor for orders and came to the human world to go through the calamity with Zhaomi and wait for him to return to the immortal throne...
Intention: Big love and little love are equal