MTL - Nuclear Power Sword Immortal - Chapter 811 star prison

A former sporting rifle shooter genius transforms into the ‘Juvenile Butcher’. While originally supposed to have received the death penalty, he was instead fortunate enough to have entered a secret and highly regarded armed force, throwing himself into the ‘Nirvana Project’.

After a period of 10 years, he now has time to freely recover. Having trained until he had excellent military and martial skill, he sweeps through various military districts and returns back to his hometown. Under the monitoring of a beautiful female cop, he re-establishes his family’s bodyguard service, protecting beauties and moving unhindered, his achievements causing the fame of his outstanding, god-level bodyguard service to resound across the world!

- Description from Novelupdates

An old man dies, torn by regret. Due to his high karma, he has “near-limitless possibilities for reincarnation”. He chooses to reincarnate in a fantasy world as a voluptuous futanari succubus with big tits and an irresistible smile.

Villains.Characters who opposed the protagonist.There are charming villains, there are villains with a touching backstory, there are villains who are simply pure evil, there are villains you can sympathise, and there are villains who simply have that title because they aren't on the same side as the protagonist.But no matter what kind of villain you are, at the end of the day, you are just a stepping stone for a protagonist.But in this vast universe, where immortals can pluck the stars and gods can create the sun, there are villains who won't stand for their fate.They will trample over the protagonist and defy their predestined fates and declare to the heavens,“Villains aren't stepping stones!”

A young man with an extraordinary mind is off on an exciting adventure when he mysteriously wakes up in the body of a feeble slave-guy in a different, rich in quirks world.

The main character, a selfish jerk, would use extreme means to achieve his goals. However, he never allows his base instincts to overrule his sense of decency. He always pays back both good and bad deeds.

Will his (terrible/excellent) mentality help him make a fresh start? Will he get through misfortunes and hardships of the new world?