The Feast - Chapter 36

Zero, a 35-year-old mercenary, after being betrayed by one of his teammates who told his enemy about him. He chooses suicide so that he can kill his enemy and his traitor teammate. After that, he was reincarnated into the world of magic, in the body of an 18-year-old teenager with the same name as him. However, his body does not have mana or the talent for magic. But with the help of the cultivation system, he has unrivaled power in the world and has a harem of beautiful wives.

I met the male lead in prison.

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…

The King of Hell sentences you to death by midnight, but I can ensure that you live past morning.

The young man, Qin Lang, received the inheritance of a poison school by chance. He uses poison to kill people, uses poison to save people and he uses poison to chase beauties. With body of ancient extinct poison and a body of a martial artist, he walks around the city, and wanders around in the underworld.

- Description from Novelupdates