MTL - Since 2000 - ~ Feel sorry

Nine heavens and nine earths, there are many souls.

The strong stand in the nine heavens, like shining stars, while the weak creep on the ground like tiny ants.

The young boy Bai Ye accidentally unlocked the mysterious heavenly soul, cultivated supreme soul skills, guarded the soul and sword, rushed into the nine heavens and swept the stars, and the legend began…

- Description from MTL

[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.

The legendary mana finally reached planet Earth, causing all living things to officially enter the path of evolution.

Liang Muqiu seriously doubted if he had read the astrology forecast when he went out today.

He borrowed a fire in the bar, but borrowed it from his ex-boyfriend.

It is said that old partners would never contact each other. However, they hadn’t seen each other for seven years, yet this bastard was not only not old, but also more handsome than before.

Especially when Cen Nan lit a cigarette for him in the dim light, his eyelashes drooped slightly, like when he kissed him under the blossoming tree seven years ago.

Liang Muqiu: Damn it, why was he still a little excited?

It took a long time for Liang Muqiu to wake up.

From the moment he saw Cen Nan, what he wanted to borrow was not fire, but a kiss of reunion after a long separation.

After seven years of separation, he still loved the same person.

Coincidentally, so did Cen Nan.

- Description from Novelupdates