Death March kara Hajimaru Isekai Kyusoukyoku (WN) - Book 1 - 1-10. Let's Dance With the Demon! [Final Part]

Once upon a time, the Devil fell in love with one of the King’s many wives. One night he went to her room disguised as her husband and made love to her. She got pregnant with his child. Knowing this The King ordered her execution believing his wife cheated on him, but then the Devil appeared to the king making him a deal. In exchange for great power for his Kingdom, the King will let his wife Sire The Devil’s Child. The King who was greedy for power agrees to the deal and his Kingdom becomes one of the most powerful Kingdoms and the Devil’s Child, the seventh Prince of the Kingdom.

In the depths of a newborn universe, a cultivator takes advantage of the abundant energy to refine himself a treasure. But after 14 billion years of refining and quite a few more to go, he decides to entertain himself by releasing countless systems and watching how the creatures of this fledgling universe handle them.

On Earth, a young man, lost and confused about what to do with his life, sits in a park and looks up at the night sky. A shooting star, a wish and a bang. When the boy finally wakes up he hears a sound, "assimilation complete. Launching System. Welcome to the Midnight Inn. Host Designation: The Innkeeper."

In an era where humanity has long conquered the stars, a girl with a restless heart yearns for more than the predictable comforts of galactic life—she wants to explore the cosmos for herself. But her dream is torn apart when she’s stranded on a forgotten planet, a dumping ground for criminals with no way out.Left to rot among the desperate and the damned, she stumbles upon a strange machine buried in the scrap heap of discarded tools by higher classed planets—one that fuses with her psyche and grants her access to a system unlike anything in known space. It doesn’t just guide her. It evolves with her. It builds. It changes everything.Now she’s on the run, pursued by the relentless interstellar police who want back what she stole. But with each escape, each discovery, and each battle, she pushes further into the unknown, reshaping the wreckage of the past into something new.Blending the inventive spirit of technical progression with the high-octane energy of cinematic battles, this is a story of survival, rebellion, and rebuilding—one shattered world at a time.

A mysterious natural phenomenon caused the Earth to be plunged into darkness. The world turned into an endless bloody chaos and mankind is on the brink of extinction…