I Am the Nanny of the Villain - Chapter 121:

[Mature Content.]

“I’ll always be by your side, next to you, on top of you, behind you... The choice is yours to make.”

An immortal who has lived a millennium...

He went by many names, many lives, many titles, but one stuck with him the most...

Kaden. One look and you'd think you've met the devil. Dangerous, devious, and indifferent, people always bowed their heads to him—except for the woman that brought the tyrant to his knees.

A woman with a special ability and curse...

Lina. She was cursed with clairvoyance—the ability to see a person's close or far future. When most don't remember their childhood, Lina remembered her first life. Since birth, she had repeated nightmares about a man who supposedly died. 1000 years after his death, Lina sees him again, and he wants everything to do with her.

Unfortunately, there's nowhere in this world she could go that he couldn't find her. What'd happen to the frightened Lina and the devious Kaden?

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Warning:

Strong sexual content.

I just want to be different, no one can guess what I want to do, the more mysterious the more powerful.

- Description from novelbuddy

Side story of Kyoukai Senjou no Horizon bundled with the first press release of the 1st, 3rd, 5th and 7th Blu-ray volumes of both seasons of anime.

This side story follows Asama, Kimi and Mitotsudaira aboard Musashi one year before the beginning of the main story, as Asama is considering to create a music band together with her two friends for the next festival in Aki, a territory under the governance of K.P.A. Italia.

Once the ultimate Soldier King and a supreme assassin, empowered by a magical Magic Bracelet, had mastered Cultivation, Medical Skill, X-ray vision, and foreseeing the future… became an omnipotent master of pretense. Come, come, come, watch the omnipotent master of pretense teach you a few tricks of pretense.A demonic man who walked out of a major foreign prison, yet married a cold Queen-like CEO wife, leading a life where “you glare at me with displeasure, and I look at you with disdain.”