Akuyaku Reijou ni Nanka Narimasen. Watashi wa『Futsuu』no Koushaku Reijou desu! - Chapter 7: Let’s make friends with Father.

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

Reborn as a sword, he lived for hundreds of years, and then he occupied the body of a 15-year-old prince.

Jiang Feng, a handsome young martial artist, was injured during a misadventure and ended up being saved by the sisters Yaoyue and Lianxing of the Palace of Shifting Flowers, who were considered the most powerful female martial artists in the pugilistic world. The two sisters fell in love with Jiang Feng, but he spurned them because of their arrogance. Instead, he fell in love with their servant girl, Hua Yuenu.

Jiang Feng and Hua Yuenu were forced to flee from the Palace after Hua became pregnant with Jiang’s child. However, they ended up being betrayed by Jiang Feng’s servant, Jiang Biehe, and attacked by bandits. During their harrowing flight, Hua Yuenu gave birth to a pair of twin boys abut ended up dying together with Jiang Feng during a bandit attack. Yaoyue and Lianxing soon caught up with the couple only to find them dead. Refusing to forgive Jiang Feng for rejecting her love, Yaoyue vowed to take her revenge by making his two sons destroy each other. To do that, they adopted one of the boys as their own child and abandoned the other.

The other boy was soon saved by Yan Nantian, Jiang Feng’s sworn brother and one of the most powerful martial artists in the pugilistic world. Unaware of the first boy’s fate, Yan Nantian pursued Jiang Biehe into the Villains’ Valley, a place populated entirely by criminals. There, he encountered five of the notorious Ten Great Villains whom he defeated easily before falling into a trap set by them. The villains ended up torturing Yan Nantian till he fell unconscious, but chose not to harm the second boy, instead deciding to raise him as their apprentice in order to groom him into the greatest villain in history.

In the God Domain, Cultivators were far and few between, but each of them wielded power that would make them known as gods.

How did they come to have such power? They comprehended the laws between heaven and earth and became those very laws.

But something occurred, a youth that hadn’t gained the acknowledgment of the heavens to become a cultivator chance upon Qi. Determined to reverse the bad hand faith had dealt him he started researching it and came to a shocking conclusion. The very laws that the heavens prevented him from comprehending were swirling around in this strange energy!

The youth thought to himself that if he could somehow control it, then he could defy the heavens and become a cultivator. Without any hesitation he began researching more and found out that the only way to control this newfound energy was to absorb it within his body.

After many years of preparations, he did exactly that.

However, he promptly died from the finger size strand he absorbed.

Ten years after his death a cultivator found his research journal and decided to further study this fascinating idea.

Skip forward to an unknown period in the future and a baby was born into a powerful royal family as the second prince. Upon his birth this child had the laws of heaven and earth swirling around him. This immediately sent the royal court into a stir as they thought the heavens themselves had blessed the Emperor’s second son.

But as that was happening, the baby that had just been born saw the midwife use a spell to turn Qi into water to clean him.

Upon seeing this, the baby’s eyes widen into saucers as a voice screamed hysterically in his head, “W-WHO THE FUCK STOLE MY IDEA?!”