Naruto System in One Piece - Chapter 517: Medical Treatment

He is the ruler of the mercenary realm, an overlord that gives headaches to the leaders of any country! For the sake of his friends, he’s willing to sacrifice himself; for the sake of his family, he does not hesitate to spill blood! He is a dragon, one that soars above even the highest of heavens. He’s a power that advances triumphantly through unstable situations, stirring up both the winds and the waters.

- Description from Novelupdates

On the surface, she’s a gay high school boy. In reality, she’s the hacker known as Z, who hunts criminals on the Internet. A girl dressed in men’s clothes; a master at playing games, punishing evil, and having the highest skill in seducing girls. When people learned that “he” was actually female, the entire population blew up!

The name Zhao Tie Zhu (lit. Zhao Steel Pillar) sounded pretty unrefined. But, when it came to his nickname, Phantom, it could be said that everyone in the assassin societies around the world know it. Nowadays, the world was too peaceful, and because of that, the assassination business wasn’t going well. Hearing real estate could earn you good money, Zhao Tie Zhu bought a huge villa, and became the legendary landlord.

He only rented his villa to single women. Zhao Tie Zhu posted renting advertisements on a well-known social website, and with that, women all came one after the other to his villa. The prettiest in schools, the prettiest in police teams, and all sorts of beauties came into his surroundings.

Proclaiming himself as hegemon of campuses, unifying the underworld. All so that the tenants would live in even more content.

I am a very responsible landlord — Said the Zhao Tie Zhu who was stepping on countless skeletons of the enemy.

- Description from Novelupdates

[Adapted into Manhwa]In a world teetering on the brink of annihilation at the hands of the primordial evil, Erebos, five heroes rose to challenge fate. [The Brave] Arion. [The Divine Blacksmith] Dweno. [The Nebula’s Progenitor] Luna. [The King of Wisdom] Lisinas. And finally, me, [The Hero of Beginnings] Kyle.After my reincarnation, I found myself hailed as a great hero. “Except for one small detail, nobody mentions me.”At the Hero Academy, where the sacred gift bestowed by the gods, the Hero Record, chronicles the deeds of legends, I enrolled to uncover the truth behind my forgotten legacy.“Fine, then. I’ll just go there and become the top student. No big deal.”