Devil Slave (Satan system) - Chapter 281 The Ten Days Deadline

It is well known that while most Evil Skills can be mastered quickly, they are accompanied by immense side effects. A slight misstep and you could drive yourself insane or get yourself killed.But what if the side effects could be transferred to your enemies? How exhilarating would it be to cultivate Evil Skills then?In any case, Zou Feng, who transmigrated here, is already having the time of his life.The most evil, most venomous, and most morally corrupt Cultivation Skills? Bring them all on.This Poison Skill will make your entire body fester and become unrecognizable? Cultivate it!Cultivating this Skill will cause you to lose your sanity and become worse than a beast? Cultivate it!A Cultivation Skill that ensures you won't live for more than a year upon mastery? Cultivate it!

Kaito was summoned as a hero... and discarded as trash.No magic. No blessings. Just intelligence and a mysterious deck of cards that summon legendary villainesses—women so dangerous the gods themselves sealed them away.Now, with three (soon four) villain queens at his side, Kaito will build a kingdom from the ashes of his humiliation. Not through strength, but through strategy. Not through destiny, but through choice.But every summoned queen has her own agenda. Every ally hides secrets. And the kingdom that abandoned him? They're coming with armies.[WARNING: R-18 | Explicit content, graphic violence, and adult scenes]→ Anti-Hero MC (Strategic, Morally Gray, No Beta Behavior)→ Four Villain Queens (Competitive Harem, Slow Burn)→ Kingdom Building (Economic, Military, Political)→ Tactical Warfare (Army Battles, No Plot Armor)→ Ancient Technology + Magic Coexistence→ Character Development (MC & Queens Evolve)→ No NTR | No Dumb Decisions | No Forced Drama

This world is not reality, nor am I the protagonist.

Leon, the world's greatest special agent, dies after a questionable accidentOnly to be reincarnated into a novel he just started readingNot only did he reincarnate, but he reincarnated into one of the three grand duke familyBut as an illegitimate child, a bastardBut so what? If the world calls him a bastard, he'll just be one***Hey so if you are reading this, I am writing this novel for my own satisfaction, so I can't guarantee a good read, nor can I guarantee consistent upload schedules, I'll be posting and doing whatever I want, but yeah hope you stay and read :)