DxD: I Steal Luck - Chapter 21: Eliminating Future Threats

In a future timeline, the earth was visited by a species known as the Slarkovs.
Having lost their home planet and in search of a new one, earth was the next habitable planet for them.

Humans and Slarkovs made a deal with each other in return for the Slarkovs living on earth.
The Slarkovs traded their technology and knowledge for a new home.
They were similar to humans except for some of them who had slight differences so fitting into the society wasn't a problem.
Over the years Slarkovs and humans began to mate with one another and reproduce offsprings.
This in turn created a new species known as the mixed-blood.
Centuries later mixedbloods could tap into their bloodline and perform unimaginable feats.

Gustav born into an age where bloodline determines everything, struggles to fit with a useless bloodline.
His bloodline only grants him the ability to change his hair color, destroying his hopes and dreams for a great future.
His fate is turned around when an unexpected situation leads to him finding a system that grants him the power to unlock and upgrade bloodlines by completing quests but he's baffled by two quests with a five-year deadline. Success will grant him unimaginable rewards...
But only one thing awaits him if he fails... Death!

Follow Gustav on his interesting journey filled with unprecedented adventures, danger and death, maybe?

In order to take away her father’s shares, her husband colluded with her bestfriend to set her up. A divorce was thrown at her face and she was forced out of the house.

Athar VonCruz, an orphan, had always been at the bottom rung of the society. He had been bullied, belittled and pushed down for his entire life.Beast taming in this world is not a hobby or a profession but is the only way of survival for a human and to gain power.Athar invests his entire life savings for one of the beast eggs; the only chance he has to rise and get ahead in his life.The egg cracks, and a creature of unknown potential emerges from it. In that pivotal moment, Athar's destiny irrevocably shifted. In that moment, Athar unearths a strange and wondrous secret; a hidden power that would become his ultimate trump card.Read how Athar VonCruz carves out a path out for himself and strives to reach the pinnacle of life.

[The omnipotent full-level boss vs the doting wife Wudu Zhenguo general]

The modern cultivator Chu Qingzhi went down to earth to experience the tribulation of love, and was forced to lean on the body of an ancient peasant girl.

There are eight children in the little girl’s family, and she has a total of nine, so she has to shoulder the burden of supporting the family.

Exercising the art of beast control, subdued the tiger as the mount, the black bear as the main force, the wolf as the helper, and the monkey as the pathfinder, and went hunting together.

Cloth ice formations, make ice cream, and sell them all over the streets.

Planting herbs in the way of medicine, asking for diagnosis and treatment, rubbing pills, attracted princes and nobles to scramble for her, and even the emperor called her a lady.

In order to become a fairy, she supported her family while starting the road to find her husband.

…

The poorest family in the village, since they took back their daughter, everyone thought that life would become more and more difficult. Unexpectedly, after a period of time, they were building houses and buying land…

This is not the daughter who was taken back, this is the God of Wealth!

…

The general of Zhenguo, who even refused to marry the princess, went back to his hometown to recuperate for a while, and then suddenly got married. He married a little peasant girl.

While everyone was waiting to see the joke, dignitaries came to visit one after another.

The queen mother took Chu Qingzhi’s hand, “Qingzhi, how about I recognize you as my younger sister?”

The emperor looked at Chu Qingzhi with satisfaction, “Madam, would you like to be an official in the court?”

The little prince grabbed Chu Qingzhi’s clothes, “Sister Qingzhi, I want to eat ice cream.”

- Description from novelbuddy