The King of The Worlds - Volume 4: Chapter 43 - For Utopia!

Hybern is defeated, but peace is not yet near. An ancient prophecy foretells the fusion of two souls. Nova, daughter of Feyre and Rhysand of the Night Court is to be joined with Hollis, son of Kallias and Viviane of the Winter Court. Without this union, it has been said death will claim the Fae lands, and in its destruction, all the Courts will fall.

A side story series featuring the girls of Kyoukai Senjou no Horizon.

Attribute Classification: Overhead/Western Magic/Strong Attack/Sweet

- Description from novelbuddy

Xia Yue feels her life is as melodramatically convoluted as a novel. The family that raised her for more than twenty years isn't truly hers, and she's merely a counterfeit rich girl.After confirming she's indeed not a child of the Xia family, she takes the initiative and moves out, making space for the real heiress.And then, she gets knocked out by an object in the courtyard of her new home, and ends up being bound to a system.This system has no sense of martial morality, even going as far as imposing tasks on her forcibly.But the system doesn't care about her complaints, constantly pestering her.Xia Yue is so annoyed, it's giving her a headache.So, she decides to get rid of the system.