I'm Here to Mess with My Emperor in Time Travel

(Pure text) (The text is being revised, there may be some errors) A cute female college student dropped the necklace around her neck into the hot pot because she was eating hot pot. The necklace gave off a dazzling light. When she woke up again, it was an era that she didn't know was not recorded in history... The serious emperor was having a lively chat with his ministers in the morning. Suddenly a girl fell from the sky. The girl was wearing unique clothes and fell straight onto the emperor's head. The emperor caught her steadily. What will happen next?