Demon Boss in the Human World - Chapter 44

MC follows the crew – Don’t like it? Don’t read.Vir transmigrated into the world of One Piece.Right from the start, he was being hunted down by a Devil Fruit users. Just an ordinary guy and a dying deer—how was he supposed to survive this?Ding![Congratulations, host! You have activated the 'Traumatizing Miracle Doctor System'][Saving people while causing them severe psychological trauma will grant you a random ability from them! ]“Bro, I’m being hunted here, stop messing around—give me something useful!”[Ding! Newbie gift pack reward: Antidote x1 ][Antidote: Instantly neutralizes all food poisoning effects. ]Vir: Σ( ° △ °|||)Good news: He has a system.Bad news: The system is useless!---Marineford War.Everyone’s eyes were wide in shock, their faces streaked with tears as they watched Ace get pierced through.Vir: “Wipe those tears! Hold them back! A little fatal injury—still treatable.”Not long after, the Whitebeard Pirates were wailing over Whitebeard’s tragic death.Vir spoke again: “Hold those tears back! Still treatable, still treatable!”And thus, Vir began his legendary journey of flexing.Aokiji: “I’m holding a severed leg, and this guy tells me ‘You are what you eat.’ Should I eat it?”Whitebeard: “That brat’s welding skills are top-notch. Don’t ask how I know!”Kizaru, who had been tasked with hunting Vir down, originally thought it would be an easy job. After all, he was just a doctor, right?Yet now, as he found himself struggling to breathe under the sheer pressure of Vir’s Conqueror's Haki, he had only one thought racing through his mind:“You’re telling me this guy is a doctor?”“Uncle, can you fix my facial paralysis too? Wanna give it a try?”

I returned to Earth as the invincible Knight King. But the Gods came with me.

Lee Jung-ho the former minister of finance for South Korea, got assassinated and reincarnated into the duke family as a young child named kaidënHe felt the love and care he never felt in his past life, as all he want his just to live a normal average lifeBut things don't go as planned as he starts to draw attention to himself due to his mana type and his weak potentialBut with just a some basic science, one can change the world, at least that happen for kaidënJoin the journey of kaidën as is raise is fallen family to the top, through the fight of money, power and magic, plus the demon in him

Programmer Li Daochong desperately develops the game code, dying. After waking up, being born again in a ghost-invading future comprehension world, isn’t that a pothole?

However, Li Daochong brought his own ghost upgrade system, which made my green onion. Others are devilish and scared, and they rush to hell. Hey, isn’t this the tip of China? I want to eat, drool!

Eating is not the most important thing. The key can be upgraded. How many levels does it take to finish?
　　
“Li Daoyou please stay, people want to go to the edge of the magic field on the edge of the magic field, can you accompany others? People are afraid!” Hongyang fairy is dripping at Li Daochong.

“Li predecessor, can you please go with a younger generation to go to a ghost dragon?” A white-haired girl who is more than two hundred years old can look at Li Daochong helplessly.

- Description from uukanshu (translated)