Na-Isekai Ako - Chapter 1: Wansapanataym

The villainess sees herself executed in front of a large crowd by the order of the emperor (her husband and the one she loves). However in the next moment after her death, she is back in the past. Monique is sent back into the past because of her brutal memories of her previous life with a prince who was engaged due to their similar age. When Empress grew and looked at the past, she killed her emotions to live as an Empress and remained one emotion, that was sickening affliction. Where in her next life, she made new connections in order to avoid getting executed again…

Her original self was a powerful jiangshi who had cultivated for innumerable years. However, when she attempted to unlawfully enter the world of the immortals, she was discovered by the Jade Emperor and thrown into the mortal world as punishment. Her soul then left her corpse, fusing with the body of the Motian Dynasty’s sixth princess. She didn’t even have a chance to fully comprehend her current circumstances before her maid unexpectedly ignored her mistress, even publicly provoking her!

“What? That weak and cowardly idiot who has neither her father’s love or mother’s favor actually mistook her older sister as her maid?! All the royal princes in the world loathe her?”

“Damn you! This old lady will let all of you understand why the flowers are so red!”

“Hey! Did you hear? That cowardly sixth princess unexpectedly snatched away the man that the eldest princess favored today!”

“How is that interesting news? That fourth princess who ran always ran amuck in the capital city is now confined to her bed now!”

The good-for-nothing counterattacks! The previously cowardly and incompetent sixth princess suddenly reveals her exceptional talents! She is full of radiant elegance, and unparalleled disdain!

She is driven by the desire to shed no more tears! However, if she had known what would happen later, she would have been better off acting stupid! She had calculated thousands, tens of thousands of scenarios, but had never calculated one where one day, her own prey would unexpectedly turn around, and ruthlessly bully her instead! Damn it, she still hasn’t sucked any blood yet!

- Description from Novelupdates

The Mafia Empire tells the story of Julian Kesma, the third son of a poor farmer’s family in a decaying empire. After gaining memories from his past life as a shrewd businessman from Earth, Julian sets out on a dangerous journey to climb from the bottom of society to its very top. Battling poverty and social discrimination, he forms a gang from his fellow oppressed Guarths and dives into the criminal underworld, quickly becoming entangled in deadly political conspiracies.Through cunning, ruthless tactics, and a cold, calculating nature, Julian transforms from a struggling nobody into a fearsome mafia lord. As he gains influence in both the underworld and legitimate businesses, he manipulates his way into the political arena, aiming to dominate every aspect of society. His ambition extends far beyond crime, as he strives to reshape the empire itself.

I Became Hades, the God of the Underworld from Greek and Roman Mythology