On a Rainy Night, the School Beauty Knocks on the Door Asking for Protection

It was a night of heavy rain, the moon was dark and the wind was high in the sky. School beauty Huo Yingtang is rehearsing her graduation stage play with her classmates. Occasionally, I saw my classmates staying home late at night. Out of her duty as monitor, she followed and prepared to admonish. But I never expected to see another side of the world! ... My name is Luo Ling, and I am a time traveler. When I traveled to a parallel world, I was an ordinary high school senior. But secretly, I am the successor of the Yin Emperor of the Underworld. The underworld is in chaos, and countless evil spirits are raging, disturbing the world. I have the responsibility to clean it up. Everything starts from that rainy night...