Demon King? Tools for Maintaining World Peace!

Qiu Yuebai traveled through a different world as soon as she woke up, and was forced to get involved in the dispute between the repair and destruction of the world. Demon King's Army, Anti-Demon Army, Divine Practitioner, Divine Weapon Practitioner? What are these, why is the world becoming more and more chaotic? At the end of the day, everything is meaningless.