The Female Soldier Has Been Told to Infiltrate the Imperial Magic Academy - Chapter 18

Xiao Yu, who was a student from modern Earth, accidentally transports to another world and becomes the lord of a territory. Facing an unfavorable situation, he vows to take back his family business, build his new territory, kill all of those who covet his wealth, and dominate the world!

- Description from Novelupdates

When Zen was just five, his kingdom fell in flames. His people vanished into dust. His parents - his world - were taken by death. Left behind with nothing but silence, the young prince was forgotten by history. But his story… was only just beginning.He walks alone at first. Weak. Broken. Powerless.But the fire in his heart never died.He seeks strength enough to tear through the heavens, enough to break the chains of fate itself. Not just to see the faces of his lost parents once more… but to take revenge on the ones who destroyed everything.But can strength truly reach beyond death?… or will it only turn him into something worse?This is not just the story of a fallen prince.This is the legend of The One Who Walks Beyond the End.

Amidst a world plunged into chaos, where rituals have collapsed and music has spoiled, and the universe is muddled, Gu Qingfeng finds himself transported to this tumultuous era.Initially, he only desired to live out his remaining years in peace. However, the birth of his first son made him realize that things were not as simple as he had imagined...

The world is terrorized by the powerful Black Witch who has been sealed in the moon. Every ten years, the night of Hexennacht arrives and a chosen witch must battle the Black Witch in hopes of finally defeating her.

As the current decade’s Hexennacht approaches, a mysterious girl named Kagami Kagami arrives and meets Horinouchi Mitsuru, the daughter of the previous Hexennacht representative.

It takes place between Kyoukai Senjou no Horizon and the City Series, two other series by the author.