The queen of darkness does not want to be the villain

Luna was a just regular girl, working as a librarian at the capital of the kingdom, until one day, a prophecy called her the 'queen of darkness' and said that she was going to take over the world with power and fear.

Even though she's a gentle girl who always has the best of intentions, everyone is deathly afraid of her, and fate seems to be determined to place her in the role of the villain.

Will she be able to clear this misunderstanding? Or will the world fall into her reign of unintentional terror?

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English is not my first language and this is the first story I've ever written, but I'll try my best.