Harem Startup : The Demon Billionaire is on Vacation - Chapter 21: Low Key Charm

The eldest son of the assassin aristocrat Tuatha Dé.

The skill, experience, knowledge of the previous life, magic, all of which grows his power as an assassin.

Excellent assassins pass through. He was usually admired as the ideal lord, and behind it wielded a blade as an assassin aristocrat.

A low-level civil servant. An F-class hunter. Yoon Seora thought that’s how she would live for the rest of her life.Until one day she was thrown into a dungeon alone.“System, you f*cking son of a b*tch!”The moment death was right around the corner, everything was turned upside down by her cry that burst out unconsciously.[Checking information about ‘Yoon Seora’, the awakened who uttered abusive language at the system administrator] [Do you wish to sign a contract with the system administrator?]​So I happily signed a contract with the little system administrator who had appeared out of nowhere…【The overall evaluation value is readjusted.】【The Awakened ‘Yoon Seora’ (S-class)】​Wait a minute, Administrator-nim.You didn’t mention I would jump from F to S-class.【Administrator: (´ ε ` ʃƪ)♡】【Administrator: ♡ (ʃƪ ˘ ³˘)】【Administrator: (ง・▽・)ว】In addition, this administrator who overuses emoticons is too unreliable.Whatever. By being an S-class I was going to quit being a dirty civil servant who always works overtime.“I’ve never seen you in the past. Who are you?”“Hi, I’m a contractor for the world administrator.”​“I have never seen you before. Who are you?”“Hello? I am the world administrator’s contractor.”Somehow, I ended up in the center of an incident where the world is filled left and right with returnees. Can I really quit?Resignation Difficulty SSS+. Stay alive, office worker!

This is the tale of Arin, a once kind-hearted and gentle child, now a man hardened by the cruelty of society and the brutal trials of life—a man transformed into a ruthless criminal, devoid of mercy. As his world was collapsing, fate transported him to a new realm. This world, more vicious and savage than his own, was steeped in magic and dark mysteries.Ironically, it was in this fearsome world that Arin, now an undead being, began to rediscover his lost humanity. Through battles and bloodshed, amidst the clash of sorcery and steel, he started to reclaim the compassion he once hated. This is not just a story of survival but a saga of transformation. Follow Arin’s journey as he rises to power, determined to become the ruler of this harsh world. In a twist of fate, he now seeks to save the very humanity he once wanted to destroy.

Mutation, Bloodline, Ancient, Parasite, Domain, Externality.

These six series of supernatural powers range from Level 0 to 4, with traces of their existence found throughout the development of mankind and society.

On to modern society, with the changes to the environment on Earth, when the first Level 5 Ability User appeared and caused a calamity to the world, Ability Users have become a form of decisive military power.

Teenage Justice Li Anping, after getting the strongest and most evil ability throughout history, will walk the path of justice and eventually his fall towards evil, and finally reach the peak of the food chain.

The entire mankind’s nightmare is about to descend, the earth will become a giant slaughterhouse, and none shall escape the terror.

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