I Have the Alchemy Emperor in My Head - Chapter 2555 - : The Grand Ending

In short, MC inadvertently created a world, but as the creator of the world, he did not know the world at all. He should have lived here like a fish in the sea with some plug-ins that MCs always have. But now he is even stumped by the bugs in the instant world. Luckily, in this world he has found his shadow guard, or his lover? So the daily adventure is getting not so boring…

- Description from Novelupdates

After the last elemental high tide ended, the world entered the “Great Ebb Tide Era”, and countless races such as elves, giants, orcs disappeared in the long river of history. However, the continuation of life has its own way. After a long time of accumulation, the blood of ancient alien races gradually merged into human beings.

You have the blood of a giant, become my warrior, and I will let you look down on the common people again;

You have elven blood, join me, and I will let you feel the call of the moon god;

You have the blood of an ancient dragon, show your surrender to me, and I will make you the apex of the gods!

I am the blood lord, I have the ability to awaken the power of blood, my name is Robin.

This is a system, lord, war article, I hope you like it

- Description from novelbuddy

The little handsome son-in-law passed through a world as waste material and the husband of a wealthy family. But because of his lacking aptitude, the wealthy family had driven him out. So he worked hard and found a more powerful family’s thighs to hold onto. Soon enough, he became the strongest son-in-law and husband in history.

In this world, it was impossible to practice martial arts. It was futile so he might as well take advantage of his wife’s thighs and maintain a comfortable and leisure lifestyle.

He’ll train his wife to become the strongest and best person in the world.

“Whoever dares to provoke me, let my wife kill you!”

- Description from Novelupdates