MTL - On the Wedding Night In the 80s, the Sweet Wife Has Space - Chapter 664 There are only two people who know my secret, one is me

[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.

As a virtuous wife, does it include tolerating his cousin, enduring his concubines, bearing his mother?

If you will not let me live freely, why would I let you live in satisfaction?

Did fate let women time-travel so she could learn the three morals and four virtues?

Rather than act like a coward and live, it would be better to live in satisfaction and die.

- Description from Novelupdates

High school student Mikoshiba Ryouma was summoned to a different world in the middle of a war. Sensing the malice from the one who summoned him (a summoner of the O’ltormea empire), he uses his martial arts to run away, killing important people of the empire during his escape. After the escape, he rescues two twin sisters from the hands of thieves. The sisters who can use magic, swear to serve him as subordinates. Thus, Ryouma begins his journey on the path of the supreme ruler.

If you had the opportunity to be granted one wish, what would your wish be?All humans on Planet New Earth were given such an opportunity.A translucent screen appeared in front of every human promising to grant any wish to the humans of new earth.You want to be a god?- GrantedYou want to be a devil?- GrantedYou want to have powers like Gojo or Naruto or Sasuke or Saitama or Goku?- GrantedYou want to be the richest man on the planet?- GrantedYou want the world to end?- GrantedYou want...Wait, what?!!!Granted?!!!Any wish a human wished for was granted to them!!And then it happened, the apocalypse!!!And our average MC, Corey Junior Zane, due to circumstances wished for wisdom, not just ordinary wisdom though.Unlimited Wisdom, Knowledge and Understanding.Would our MC be able to survive in such a dangerous world without having the ability to defend himself.Would he be able to survive in his school where the common enemies are Smileys?Read to find out!