Dark Warlock in the Apocalypse - Chapter 187 Warchief

In the year 2544, magic and technology are an everyday thing. Humans now have wonderous abilities that transcend the physical laws of the world.Eighteen-year-old Gavin has always been an ordinary human—until a shocking truth shatters his reality. He was found as a baby, the sole survivor of a massacre that wiped out his birth clan. His entire life has been a lie. He’s not human—he’s a werewolf, one of the last of the alpha predators the world sought to destroy.Determined to understand his true nature and protect the one person he’s always loved—Erza O'Malley, his best friend and the woman who has always been his home—Gavin enrolls in a magical academy. But learning to shift is only the beginning. As hidden forces stir and the ghosts of the past resurface, Gavin must decide: will he remain in the shadows, or will he embrace the predator within to fight for a future that was never meant to be his?Perfect for fans of action-packed paranormal fantasy, forbidden love, and a world where magic and science collide.

When Li Xianyu was 20 years old, he received his father’s inheritance, an 18-year-old great-grandmother who was incredibly beautiful.

Li Xianyu: “Great-Grandma, why are you so young?”

Great-Grandma: “That’s because I died when I was 18 years old.”

- Description from Novelupdates

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.

Death is sometimes not the end!
Dead prison!
This is a magical prison. It has the ability to draw the souls of the dead people of the world, and it also enables people to gain the ability of the souls of the dead.
When Qin Song woke up, he was shocked to find that he had come to the world of One Piece, and even more surprised that he found a prison in his body…..

- Description from Uukanshu