Supreme Spouse System. - Chapter 31: Morning Teasing.

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.

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 will not die. Not for someone else.

...

For as long as Kairos could remember, he experienced things twice. Originally, Kairos believed that was completely normal. However, as he grew up, he realized that it was not nearly that simple.

Kairos would experience things one second before they happened. At first, he used it to avoid stubbing his toe or having a plate fall on his head. But as he got older, he realized that being too different from other people was essentially a sin.

And so, Kairos quickly covered his ability up and pretended to be a loner. He let himself get shoved around even when he knew he could avoid it, just to blend in with the crowd.

However, things weren't just left at that.

Along with his strange ability, Kairos always had dreams.

Dreams of a rising red sun.

At first, they were infrequent and more confusing than anything else. But as time went on, he had this same dream more frequently.

And it also became more terrifying.

Kairos would wake up in a cold sweat, not truly understanding why he was so afraid. That is, until one day.

When the red sun rose.

And the apocalypse descended.

……………………………………………………………

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This is a story of a man named Kim Sae-Jin, who one day, inexplicably wakes up as a Monster. Follow him and his perilous journey to get his life back as a Human, all the while growing even more versatile as a Monster in the process. This should be… complicated, somewhat.