It's time to become a fairy.

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After transmigrating to a world of immortals and becoming a girl, Ye Qingge has a secret.
Every twenty-four hours, she gets the chance to switch bodies with her current one… Switching bodies with the Human Heavenly Empress, all immortals bow down, and she can control the heavens with a single hand; switching bodies with the Demon Queen, she comprehends the supreme divine powers of the demon race and roams freely across the world; switching bodies with the Holy Maiden of the Holy Sect…
only……
Fairy Exchange System
[The recipient of this exchange: Empress Kaihuang]
[Emergency status detected for the swapped object. Emergency mission initiated!]
[Urgent Mission: Empress Kaihuang was severely injured in a previous battle. She managed to consolidate her power to secure her ascension to the throne as the Human Empress, but her injuries have now flared up. She is heading to the Temple of the Medicine God for help, but will encounter three deadly attacks along the way. Only by helping the Empress overcome these crises can this mission be completed.]
[Surviving the Crisis: 0/3]
[Task Rewards: System officially launched, Primordial Dao Codex, 1000 points]
Entering the Empress's body, seeing the system prompts, and feeling the ever-increasing threat, Ye Qingge gasped: "What happened to the script of exchanging bodies with a fairy, learning her skills, and reaching the pinnacle of life? Why did you start with hellish difficulty? System, you've tricked me!"