Revenge Sevenfold - Chapter 123 Give You A Reward

Mikail Fremawan, someone who has always been followed by bad luck since he was a child, and the peak was when both of his parents died simultaneously before his own eyes.But the sudden appearance of the System changes everything, from wealth, power, glory, and... revenge; Mikail begins his steps to achieve all of that one by one.Witness his story of turning his misfortune into incredible good fortune.Mikail: There might be something wrong with my System, Isn't it?

An Individual from Earth finds themselves in the Shinobi World, equipped with a Scientific System. From that moment, he delved into scientific research far ahead of its time.

In Heaven’s Vault Continent, Colossal Dragons, Titans, Beast People, Fairies, Magical Beasts, and other races reign supreme!

Beings that create and control monsters and demons, beings that build and reign over malicious labyrinths, the chosen individuals to possess an overwhelming Unique Skill… They are the Demon Lords.