MTL - Rebirth Turn of the Century - Chapter 489 exchange of benefits

All the Humans from Earth were suddenly transported into a new world called Celestial World. No one knew the reason why nor what the purpose was all about. They were suddenly transported without any warnings or signs and were forced to live in a mysterious and unfamiliar new world.For 50 years, Humans lived in endless suffering and torment. They were all forced to run from one place to another or else they would be enslaved by other Foreign races that had long been living in the Celestial World.Fortunately, the Human race was finally able to slowly develop its strength and power in the Celestial World through the sacrifice of countless Humans after 50 years. However, it was mysteriously Fated not to last long as an unknown power suddenly started doing everything to destroy Humanity's Kingdoms and Empires.A young man by the name of Leo Heart had his Fate suddenly rewritten by some unknown power to stop this unprecedented doom of the Humans after a Red Cube, that the Heart Noble Household had been keeping as a Family Heirloom from the very start of the Human Race existence in the Celestial World, suddenly jumped up and embedded itself into his right palm.A world full of Mystery in which Magic and Mana had become every race's foundation of existence. A young man who had lost his family for the Human Race's existence has his Fate unexpectedly rewritten after such an encounter.But, would it be enough to stop this so-called unprecedented doom?Would the Human Race's existence be saved by Leo from the unknown yet powerful existence?Or would the Humans sadly become nothing but a mere history in this new world?Note: The art of the book cover is not mine. All the credits go to its rightful owner...

Being the author of a world-famous novel series called Eminence the boy wanted the world to know about him due to his co-author taking all the fame. Unfortunately, disaster struck before he could get his recognition.Upon realizing that he died the boy woke up in the world that he created, Eminence.However, instead of transmigrating into the body of the main character or even a side character, the boy became an extra called Lucas.Shortly thereafter he gets a notification on his smartwatch that tells him to make Lucas an important part of the novel no matter what and by any means necessary.Follow Lucas’s journey as he befriends, betrays, manipulates, and falls in love using all the information he has at his disposal being the author.

[Power System has beautiful Waifus as his spirits.]

[Read for the great plot and a perfect HAREM. There will be SMUT chapters only when required. The protagonist isn't Naive and treats his woman with care.]

[Read only if you want a great plot, sweet romance, a perfect harem, and good smut without any forced development.]

[Story would make sense as you progress I have avoided info dump and explained in a natural way to answer each question through the characters.]

*Ding!*

[Dual Cultivation System installed]

…

Yue Yan Gets kidnapped by the goddess on his sweet night with his girlfriend. She asks him to help her on a mission against the XieLong temple but he turns her down.

Later, some mysteries reveal their past and Yue Yan agrees to help her in order to meet his Bing'er again who has also been sent to the new world.

When he transmigrates into the body of Meng Long, he finds out he has a special Physique, the Supreme Yang body that stops his growth in Cultivation unless he Dual-Cultivates with a woman.

Yue Yan's new family had mistreated his predecessor Meng Long so he decides to leave the clan to embark on a new path with his beautiful concubine Xue Rou.

Join Yue Yan AKA Meng Long, in his Journey to reach the pinnacle of the world.

In the Realm of the Gods, countless legends fought over a mysterious cube. After the battle it disappeared into the void. Lin Ming stumbles upon this mystery object and begins his journey to become a hero of the land.

Lin Ming, a talented man for martial arts wanted to audition for Tian Yun Wu Fu with a girl named Lan Yunyue,
She was his childhood friend since young and they both have a small crush on each other.
But on the day of audition, Lan Yunyue did not come, which left Lin Ming in curiosity.
He later found out that a guy who is rich and talented, named Zhu Yan helped Lan Yunyue.