The Author is an Extra, The MC is a Reincarnator - Chapter 12 Dungeon

A 30-year-old NEET is reincarnated into the body of an otaku that choked to death on instant noodles. As he comes to grips with his new life, he realizes that this world is subtly different from Earth. The denizens of this world are far better looking, and this new world also possesses futuristic technology as well as mysterious Yin Yang masters!

After reincarnating, he realized that he was endowed with a miraculous game-like system, which enables him to increase his own stats and transcend the limits of the human body. This system even has a game-breaking ability to save and load in real life!

In this new world that’s akin to a 2-D game, he just wants to enjoy life and head for a glorious future… However, he is quickly embroiled in a complex plot. Can he unlock his true potential and utilize his system to break the shackles that confine him and discover the truth about his previous body’s circumstances?

- Description from novelupdates

Du Xiao Li, the legendary person all look up to, yet couldn’t ward off the ridiculousness of fate!

Lu Xingzhi's eighteenth birthday gift was a handsome and wealthy fiancé.From then on, she bid farewell to her life as a lonely orphan and transformed directly into a glamorous, wealthy beauty, stepping onto the pinnacle of life.She began a life of slapping down jerks, basking in the happiness of being cherished.“Uncle, do you like me?”Huo Jincheng: “I thought I made it clear enough.”Lu Xingzhi: “...”Seems like it's quite obvious.“Zhi Zhi, I'll give you everything you want, but you can't leave me.”Lu Xingzhi nodded vigorously. Her Uncle was rich and handsome, good to her, and she'd have to be crazy to leave him.She, the genius piano girl, dazzled on the international stage in the brightest light.He was the business emperor who could stir clouds and rain, giving all his tenderness to her.[Sweet Pampering]

MAIN CHARACTER GET TRANSFERED TO ANOTHER WORLD WHERE HE USE TO INCREASE CULTIVATION OF HIS WORLD