The Systems Challenge - Chapter 10: My Gem

A 13-year-old deaf teenager living in the 21st century suddenly found himself as a young boy in Japan during the early 1900s. With two World Wars, two nuclear bombs, Hitler and many other disasters awaiting his future, he thought things couldn't get worse.Except it did.He found out later on that he had actually reincarnated into the world of Demon Slayer where man-eating demons ruled the night. He thought things couldn't get worse.Except it did.But hey! At least he had unparalleled talent, incredibly special eyes and future knowledge.How will the story of Demon Slayer change with the addition of this unique character? Will so many still die if the Hashiras had one more pillar in the final battle?Or will the story end on a much happier note?

I want an S-Rank skill too! I want it so badly, I could die for it!

Eh !? WHAT IS THE POINT OF GETTING ONE IF I DIE !?

Liv Hamelsvoort, who bears the label of the ‘Fake Saintess’ and is the laughingstock of high society for her unrequited love for Duke Lartman. No one could understand her, but she likewise couldn’t understand them.“I’m in the middle of enduring the love of the gods.”There was a world that ordinary humans couldn’t dare to comprehend.“Who harmed my child?”“Does my child not exist in this world?”“I don’t need a world where the child I love doesn’t exist.”The moment the enormous things she had been bearing were revealed, Liv’s life finally began to change.“I will love you in any timeline, Your Grace.”Liv was content as long as she could continue loving. But if she wanted to protect that love, she had to change; the world was whispering that to her.

There was once a hero.

Unique black hair. Excellent eyes. Contrary to his delicate features, he who had abnormal strength was called the Otherworldy Hero.

At the hero’s long adventure (up to the point where his wooden sword that had been kindly granted to him by the king was replaced by the holy sword blessed by the holy maiden) he saved the prince that had been kidnapped by the demon king, and so the kingdom was swept by worry.

The hero’s strength that could fell the demon king was deemed too dangerous to leave unrestrained.

One advisor spoke up. Why not marry him to royalty?

The king thought that was a viable option. Family, to an alien from another world would be the best of chains. There was one problem. The king was abundantly blessed with sons and had princes galore, but not a single daughter.

Ho, and it wasn’t like I could marry off two boys.

At a burst of inspiration the king slapped his knee.

That was it!

You just had to turn a prince into a princess!

And so the hero ended up in a position to be marrying a man.

This story, is a tale of the aforementioned otherworldly hero, and his bride, the former-prince-now-princess and their ridiculously hilarious marriage.