One Piece : Roger Is My Vice Captain - Chapter 279 - 331 - Why save me!?

In the 21st century Earth gave Birth to greatest genius ever. A genius who Master myriad of arts. Medicine to Engineering. Mathematics to Micro Biology. Weapon Designing to Environmental control. Music to Painting. Dance to Martial arts. He mastered Everything.

I was a good looking prince when I was reborn, and because I could do indecent things as much as I like, I decided to make a harem while traveling with a beautiful female elf~

Jung Sunwoo was an average man. He had just taken his first job at W&U, a celebrity management company, as a manager. He could finally achieve his dream of being the manager of a world-famous actor or actress. On his way to work, he fell into what appeared to be a lucid dream about his future. As he went on with his day, he realized it may not have simply been a lucid dream.

As he transmigrates across the continent of Douqi, Gu He takes on the mantle of Alchemy King Gu He and gains an incredible power - the Ten Thousandfold disciple cashback system. This allows him to grant gifts to his disciples, which are then returned ten thousandfold.“You have gifted Liu Ling the Green Lotus Core Flame, triggering a tenfold return and granting you the mighty Green Lotus Holy Fire!” the system announces as each gift brings Gu He greater power.After three years of intense training, Xiao Yan returns proudly to the Yunlan Sect, eager to display his newfound strength.“Don't underestimate this once poor youth!” he warns his former lover Nalan Yanran. “Today I'll show you what a true genius can do!”But Nalan Yanran just smiles faintly. “Is that so?” she asks, as a terrifying Dou Emperor aura suddenly surges from her.Shocked, Xiao Yan stammers in disbelief, “How did you become a Dou Emperor powerhouse?”With an arrogant smile, Nalan Yanran replies, “With my master, anything is possible.”