Steel, Guns, and the Industrial Party in Another World - Chapter 337:

Betrayed by his sister. Betrayed by chosen one's humanity. Betrayed by the Gods.That was how the life of Leonard, the Defier of Fate and the world’s greatest heretic, came to an end.When demons invaded human lands, he received a revelation from the Goddess. She commanded him to act as a spy, to infiltrate the enemy ranks and expose their secrets for humanity’s sake.To fulfill this mission, he had to sacrifice a part of his soul. He accepted a demonic contract, surrendered his soul, and became a demonic human. Risking everything, he provided critical information to the humans and helped them turn the tide of battle.But then, he had a shocking discovery.The war was nothing but a gambit between various gods and before he could act, the war was stopped out of nowhere.In an unexpected turn, humans and demons put aside their hatred and signed a peace treaty.Before Leonard could make sense of it, he was betrayed. Both demons and humans joined hands to kill him.“Fuck! If there is a next life, I swear I will tear you gods apart!”With this scream, he thought his suffering was finally over.But…When he opened his eyes again, he found himself in the body of Kael Veydrin, the son of the Grand Duke of the Heizen Empire. But this new life was no different from the last.His sister wanted to get rid of him.Born with clogged vessels and no talent, he was nothing but a disappointment.A subject of fun and ridicule among the fellow nobles.Despite rebirth, nothing seems to change.The cursed fate.The distorted history smearing his name.A world that was against him.Leonard, now assuming the identity of Kael, let out a low chuckle.“Don’t worry, Kael. I will have revenge for both of us.”“They called me heretic right? I will show them how a true fucking heretic acts.”Follow Kael's journey, as he fights against the fates and injustices to drag the ones ruling above.

A generation of hegemons, betrayed by betrayal, besieged by forty-nine strong men, tragically killed and robbed the mountain, re-lived once, he will re-enter the peak; strong rise, into the chaotic star field, exhausted 100,000 strong, Wusheng dead and kill, The impact is high!

- Description from 69shu translation

Xu He had been his sister’s control group since he was a child. His elder sister was fair, juicy and good at giving birth. She was the heart of the Xu family, a flower in the village, and the talented people who wanted to marry her lined up from the village to the back of the mountain.

The little brother was only good at cooking, and he was busy from the stove to the field all day long, and no one paid attention to his disheveled face. People in the village talked after dinner, how the same parents had two very different children. With his sister as a comparison, it must be more difficult for He ge’er to marry. 

However, there were many young men looking for Xu He, but these people who got close to him were all to find out about his sister. Xu He had been used to it for many years, but recently, even Zhang Fangyuan, who was not doing business in the village, wanted to get something from him.

After inquiring, he tried to hide, but he was stuck on the way home, but the man said: “He ge’er, your cooking is delicious, and it will be even better if you are my fulang.”

- Description from Novelupdates

Ordinary salaryman Qin Yu had a proud and talented younger sister who was the rising star of the police detectives. He often felt inferior to his younger sister with her achievements. Gradually, he began to accept his fate…

One day, he acquired the Godfather System, allowing him to obtain the templates of top villains one after another! Using the templates, he found suitable disciples and trained them.

As such, terrifying giant-level figures popped up continuously in the underground world!

[Wanted dead or alive. S rank terrorist: Joker. Reward: 10 billion]

[Wanted dead or alive. A rank terrorist: Fake Psychologist. Reward: 500 million]

[Wanted dead or alive. A rank terrorist: Martial Arts Maniac. Reward: 500 million]

[Wanted dead or alive. A rank terrorist: Crazy Scientist. Reward: 500 million]

Before he realized it, Qin Yu had his identity as the godfather of villains exposed by his younger sister! The entire world was shocked!