One Piece: The Strongest Swordsman - Chapter 20: Nico Robin

He became a teacher at the best magic academy in the empire.
….For being mistaken for someone else.

Lu Jiangxian died after staying up late one night. Yet, he finds his soul trapped in a fractured, bluish-gray bronze mirror. He falls into a boundless world of immortal cultivation and finds himself in the perilous landscape of Mount Dali. There, a small family from a small village by Meiche River picked the mirror up and is bestowed with the ancient teachings of the immortal ways, heralding the dawn of a splendid new era.

{NO SMUT}Noa lost his virginity to the Doom God and transmigrated into a game he had played for over ten years.Instead of being the protagonist, he found himself as an extra—a mere background character, fated to die before even making an appearance.To make matters worse, the game’s main character was also an extra who had read the novel about this world.However, Noa's power came after having sex with the Doom God, her blessing granting him 1,000 lives.And armed with 10 years of gaming experience, he was set on changing his future.Though Noa had 1,000 lives to spare, dying over and over had a price…The system was cruel, issuing his existence to every corner of Velrox and slapping a sweet bounty on his head.Suddenly, everyone in the world became interested in his identity, wanting him dead.With enemies on every side, Noa not only intended to screw up the plot, but he also had to survive the impending perils, as the world was set to be destroyed in five years…

To reward Meng Fan for his bravery before his heroic death, the cosmos rewarded him with a ‘system’, sending him back in time to three months ago, alive.

- Description from Novelupdates